Harken 29mm Bullet Double Block Tracking_Boardfy Allen’s vernier adjusters are the

Allen’s vernier adjusters are the only choice when fine –tune rig adjustments are required

Roll-down closure with side release fastenings for a watertight seal

and durability

Bore = 3mm

Retractable aluminium handle retracts into bag when not in use

Harken 29mm Bullet Double Block Tracking_Boardfy Allen’s vernier adjusters are theLow friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications. Sheave 29 mm Length 70 mm Weight 71 g Shackle Pin 5 mm Maximum Line 8 mm Maximum Working Load 181 kg Breaking Load 907 kg