HARKEN 125mm Aluminium Stand-up Block 16504 Maximum working load (kg) 350

Maximum working load (kg) 350 kg

Sheave 38mm

Ratchamatic block versions roll freely in both directions under low loads and automatically engage a ratchet mechanism as loads increase

Suit 8mm (5/16) I

HARKEN 125mm Aluminium Stand-up Block 16504 Maximum working load (kg) 350Black Magic Air blocks are a top favourite of Big Boat performance racers and cruisers. These lightweight, free running, powerful performers are used for sail controls that see lots of action. Sideplates and sheaves Hard Lube anodized for maximum UV protection and a smooth surface. Centre cage keeps Torlon roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L. L. C.