Harken 57mm Ratchamatic® Flip-Flop Block — Cam Cleat

Small Boat Flip-Flop blocks pivot around the line axis to keep the line close to the deck. Hinged construction allows for various lead angles. Ratchamatic block versions roll freely in both directions under low loads and automatically engage a ratchet mechanism as loads increase, giving sailors a holding power of up to 15:1. The ratchet engagement can be adjusted to a higher or lower load depending on the sailor’s strength, sailing style and system usage.Small Boat Flip-Flop blocks pivot around the line axis to keep the line close to the deck. Hinged construction allows for various lead angles. Ratchamatic block versions roll freely in both directions under low loads and automatically engage a ratchet mechanism as loads increase, giving sailors a holding power of up to 15:1. The ratchet engagement can be adjusted to a higher or lower load depending on the sailor’s strength, sailing style and system usage. Sheave Ø (mm) 57 mm
Sheave Ø (in) 2 1/4 in
Length (mm) 110 mm
Length (in) 4 5/16 in
Width (mm) 66 mm
Width (in) 2 5/8 in
Height (mm) 106 mm
Height (in) 4 3/16 in
Weight (g) 329 g
Weight (oz) 12 oz
Maximum line Ø (mm) 10 mm
Maximum line Ø (in) 3/8 in
Maximum working load (kg) 136 kg
Maximum working load (lb) 300 lb
Breaking load (lb) 600 lb
Breaking load (kg) 272 kg
Footnote Maximum working loads and breaking loads for blocks based on cam strengths.

Brand	HARKEN
SKU	2145
GTIN	097653177852

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