Harken 57/75 mm Flip-Flop Blocks


Harken Flip Flop Blocks

Harken 57 mm and 75 mm Flip-Flop Blocks pivot around the line axis to keep line close to the deck. Hinged construction allows for various lead angles.

Lightweight, machined 6061-T6 aluminum cheeks pivot on fiber-reinforced plastic chocks. The sheave runs exclusively on a ball bearing system for fast trim and release under any load. Ball bearings, sheave, and sideplates are UV-stabilized with carbon black for maximum protection.

The Ratchamatic 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.

Reversible cam arms adjust and lock in a wide range of positions for crew accessibility and to accommodation of changing lead angles.
Code: HAR2142
List Price: $ 179.10
Price: $ 157.61
Code: HAR2143
List Price: $ 265.40
Price: $ 233.55
Code: HAR2144
List Price: $ 212.60
Price: $ 187.09
Code: HAR2145
List Price: $ 296.25
Price: $ 260.70
Code: HAR2678
List Price: $ 221.55
Price: $ 194.96
Code: HAR2679
List Price: $ 338.40
Price: $ 297.79
Code: HAR2688
List Price: $ 266.65
Price: $ 234.65
Code: HAR2689
List Price: $ 380.00
Price: $ 334.40

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