{"product_id":"harken-twing-block","title":"Harken Twing Block","description":"\u003c!-- harken-official:v2 Sku:2699 page_sha256:259dee4c35b12ec712b2c595fcd55e8babf68dd5c8609971e33d5f8a1f6b8200 --\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;width:100%;max-width:100%;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:8px;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eBreaking load (kg)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e825 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eBreaking load (lb)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e1818 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eLength (in)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e3 1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eLength (mm)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e89 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eMaximum line Ø (in)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e3\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eMaximum line Ø (mm)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eMaximum working load (kg)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e300 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eMaximum working load (lb)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e661 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eSheave Ø (in)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e1 9\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eSheave Ø (mm)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eWeight (g)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e86 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003eWeight (oz)\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #eee;padding:8px;vertical-align:top;\"\u003e3 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c!-- sr-faq v=1 vendor=harken source_sha256=4e69cf05683852a1c1bc03e3e569ff184d5e82708068312d25a51307bb8ecdd6 --\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cdetails\u003e\u003csummary\u003eCan the main sheave or roller at the pivot base be removed for maintenance?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eNo, both the main sheave and roller at the pivot base are not removable.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan the block sheaves be removed for maintenance?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eThe main sheave and roller at the pivot base are not removable for maintenance.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I clean and maintain the Harken Twing Block?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003ePeriodically clean the release latch mechanism, sheaves, and hinge base with mild detergent and water. Do not use lubricants on sheaves.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat safety precautions should be followed during use?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eAlways ensure the sideplate is latched before loading. Do not load the sheave when the sideplate is unlatched. Never use the top latch as a becket.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eAre there any areas on the block that must not be loaded?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eDo not use the top latch area as a becket. This area is not designed to be loaded.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is important to check before loading the block?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eEnsure the sideplate is latched before loading. Do not load the sheave with the sideplate unlatched.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do you open the sideplate for rigging?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eHold the block, press the release latch with your index finger, and the spring will open the sideplate for loading.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhich area must not be used as a becket?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eDo not use the top latch area as a becket; it is not intended to be loaded.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat should you regularly inspect during use?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eRegularly check the latch mechanism and ensure the sideplate is latched before loading.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat types of boats and applications is the Harken Twing Block designed for?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eThe block is suitable for dinghies, sport boats, and small keel boats. It is used for spinnaker sheet and guy control, and code zero sheet up-down control.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat rigging options are available for the Twing Block?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eThe block can be rigged for 1:1 or 2:1 up-down control using the roller at the pivot base.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can the main sheave or roller at the pivot base be removed for maintenance?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, both the main sheave and roller at the pivot base are not removable.\"}}, {\"@type\": \"Question\", \"name\": \"Can the block sheaves be removed for maintenance?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The main sheave and roller at the pivot base are not removable for maintenance.\"}}, {\"@type\": \"Question\", \"name\": \"How do I clean and maintain the Harken Twing Block?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Periodically clean the release latch mechanism, sheaves, and hinge base with mild detergent and water. Do not use lubricants on sheaves.\"}}, {\"@type\": \"Question\", \"name\": \"What safety precautions should be followed during use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Always ensure the sideplate is latched before loading. Do not load the sheave when the sideplate is unlatched. Never use the top latch as a becket.\"}}, {\"@type\": \"Question\", \"name\": \"Are there any areas on the block that must not be loaded?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Do not use the top latch area as a becket. This area is not designed to be loaded.\"}}, {\"@type\": \"Question\", \"name\": \"What is important to check before loading the block?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Ensure the sideplate is latched before loading. Do not load the sheave with the sideplate unlatched.\"}}, {\"@type\": \"Question\", \"name\": \"How do you open the sideplate for rigging?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold the block, press the release latch with your index finger, and the spring will open the sideplate for loading.\"}}, {\"@type\": \"Question\", \"name\": \"Which area must not be used as a becket?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Do not use the top latch area as a becket; it is not intended to be loaded.\"}}, {\"@type\": \"Question\", \"name\": \"What should you regularly inspect during use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Regularly check the latch mechanism and ensure the sideplate is latched before loading.\"}}, {\"@type\": \"Question\", \"name\": \"What types of boats and applications is the Harken Twing Block designed for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The block is suitable for dinghies, sport boats, and small keel boats. It is used for spinnaker sheet and guy control, and code zero sheet up-down control.\"}}, {\"@type\": \"Question\", \"name\": \"What rigging options are available for the Twing Block?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The block can be rigged for 1:1 or 2:1 up-down control using the roller at the pivot base.\"}}]}\u003c\/script\u003e\u003c!-- \/sr-faq --\u003e\u003c!-- \/harken-official --\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53195935416657,"sku":"2699","price":110.81,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4434\/4913\/files\/e0c4bf67-060d-4826-942a-9f238ccc711f.jpg?v=1772622726","url":"https:\/\/www.sailrace.com\/it\/products\/harken-twing-block","provider":"SailRACE","version":"1.0","type":"link"}