SCHAEFER 5 51 mm 5 Series Fiddle Block - Becket, 504-55 Blocks_Wire An innovative sliding mechanism controls

An innovative sliding mechanism controls the shackle post swivel

Cruising ESP blocks complement our existing blocks in looks and function

Harken 38mm Big Bullet Double Block with Becket trim and release fast under high or low loads on free-rolling Delrin® ball bearings

(2) 1/4" RH fasteners

SCHAEFER 5 51 mm 5 Series Fiddle Block - Becket, 504-55 Blocks_Wire An innovative sliding mechanism controlsSchaefer Aluminum Fiddle Block with becket allows 6: 1 and 4: 1 rigging options. 5 Series blocks offer small to medium sized cruising and racing yachts an extremely high strength weight ratio resulting in a highly refined and reliable block. The versatile universal head design has a three way built in locking feature and accepts Schaefer "universal" adapters for custom mounting. 5 series blocks are offered with Aluminum cheeks and plain bearing