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. Wire Bullet blocks use roller bearings to carry higher loads and feature Hardkote-anodized Teflon® impregnated aluminum sheaves for strength and corrosion resistance. Sideplates are UV-stabilized with carbon-black additive for maximum protection. Use for:Outhauls, Vangs, Barberhaulers, Cunninghams, Traveler controls, Furling line leads, Flag halyards Sheave dia.: 1-1/8 in (29 mm)Length: 2-7/8 in (73 mm)Weight: 1.25 oz (35 g)Max. line dia.: 5/16 in (8 mm)Max. working load: 500 lb (227 kg)Breaking load: 2000 lb (907 kg) Uses #10 (5 mm) RH fasteners.