HARKEN 127mm Narrow Sheave, 693 Type_Lashing/Rope Clips but martensitic in the hardened

but martensitic in the hardened condition

The track features internal slide bolts

They feature a precision two-stage bearing system for better durability

Adaptable universal three-way head

Harken 57mm Carbo Air® Triple Block with Becket and 3-Way U-Lock allows a change of headpost direction

HARKEN 127mm Narrow Sheave, 693 Type_Lashing/Rope Clips but martensitic in the hardenedNarrow high load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Used in steering systems, these sheaves return feel to wheel steered boats. Sheaves combine sideload carrying balls with a PTFE composite bushing for radial loads. These durable sheaves are made of 6061 T6 aluminum and are well suited for masthead and steering installations. Installation requires clamping or securing