Lewmar 50MM Fiddle Block W/Cam & Becket, Black, 1/4" - 3/8" Line alt-4311-1001 minimizes submarining and delivers exciting

minimizes submarining and delivers exciting ride with wild wake action

Works 9X faster than a manual crank jack

LP = Low Permeation

All hardware included

This wheel hub's lug nuts are on a 4

Lewmar 50MM Fiddle Block W/Cam & Becket, Black, 1/4" - 3/8" Line alt-4311-1001 minimizes submarining and delivers excitingSynchro block are engineered for speed, efficiency and superior handling. High density, free spin plain bearing and self aligning head reduce friction and increase efficiency. Easy to use, patented shackle post lock. Stainless steel straps and glass fibre reinforced cheeks. Sheave bearing pin & line size for optimum efficiency. Black.