HARKEN 127mm Narrow Sheave, 693 Type_Lashing/Rope Clips Harken 57mm Carbo Air® Triple

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

Adaptable universal three-way head

Pulpit Furling Lead and Clamp-On Furling Block fit 1" tubing for mounting to stanchions

This powerful configuration prevents sheets from crossing and chafing and distributes load to three axles instead of the two seen in other block designs

but martensitic in the hardened condition

HARKEN 127mm Narrow Sheave, 693 Type_Lashing/Rope Clips Harken 57mm Carbo Air® TripleNarrow 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