Harken Big Bullet Thru-deck Block

Harken Big Bullet Thru-deck Block

Product Details


    Low-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.

    Free-rolling Delrin® ball bearings, sheave and sideplates UV-stabilized with carbon-black additive for maximum protection.

    Wire Bullet blocks use roller bearings to carry higher loads and feature Hardkote-anodized Teflon® impregnated aluminum sheaves for strength and corrosion resistance. Mast exit blocks with cams used for halyard controls and under boom mainsheets.

    Part Number: 131

    Tech Info

    Imperial Metric
    Sheave Dia. 1 1/2" 38 mm
    Length 3 1/2" 89 mm
    Weight 2.25 oz 64 gr
    Max Line Dia. 3/8" 10 mm
    Maximum Working Load 300 lbs 136 kg
    Breaking Load 2000 lbs 907 kg
    FH Fasteners # 10 5 mm

    Harken Blocks