Harken Aluminum Stand-Up Block - 57mm Strainers Complete watertightness thanks to the

Complete watertightness thanks to the resistant rubber collar (black colour)

407 Low-Density filler is a blended microballoon-based filler used to make fairing putties that are easy to sand or carve

The line is run through these rings which are then tilted by a single connecting lever

Includes 1 fuse

Harken Aluminum Stand-Up Block - 57mm Strainers Complete watertightness thanks to theBlack Magic Air blocks are a top favorite 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. Center cage keeps Torlon roller bearings separated and parallel to reduce friction.