Lewmar 55ST EVO Winch Chrome Bronze Hooks & Swivels Lewmar's Synchro blocks are engineered

Lewmar's Synchro blocks are engineered for speed

Line Size: 5/16"-7/16" (8mm-11mm)

Alloy top rails

C - 13/16"

Fixing Points(F): 107mm (4-1/4in)

Lewmar 55ST EVO Winch Chrome Bronze Hooks & Swivels Lewmar's Synchro blocks are engineeredProduct Description Lewmar 55ST EVO Winch Chrome Bronze Specifications Gear Ratio First Gear 2. 8: 1 Gear Ratio Second Gear 11. 2: 1 Power Ratio First Gear 13. 8: 1 Power Ratio Second Gear 54: 1 SWL (lb) 3263 Weight (lb) 37. 5 Dimensions Drum Diameter (in) 4 1 8 Base Diameter (in) 8 1 16 Height (in) 9 11 32 Line Entry (in) 4 1 2 Line Size (in) 5 16 5 8 Mounting Instructions: 6 x M8 (5 16 in) c'sk head screws on 165mm (6 1 2) PCD or 6x M8 Studs.