Harken 40 mm Zircon Block Chafeguard 3/16" x 1-1/4" Countersunk Bolt

3/16" x 1-1/4" Countersunk Bolt Phillips 316SS

Part Number: 2159

Wing tube sleeve front left

WASZP_X Sail 5

Batten Adjuster Grub Screw M10x16 316SS

Harken 40 mm Zircon Block Chafeguard 3/16" x 1-1/4" Countersunk BoltZircon blocks help trimmers match sail shapes to new conditions immediately. At the core of the Zircon performance are industrial ceramic ball bearings mounted inside caged races. The cages keep these bearings separated so they dont bunch, touch, and stop each other. The result is the most efficient small boat block Harken has ever made. Zircon blocks are available in 40 and 57 mm sheaves in single and double blocks, with or without beckets. Sheave