Harken Bosun's Chair, 2234 Blocks_Carbo Air Blocks and for high-load control lines

and for high-load control lines on small keelboats

They deliver dependable fast trim and release under high or low loads

Other features include an adjustable back support

The Harken 40mm Carbo Air® Single Block includes an integral becket that allows either a 2:1 or 3:1 purchase

Harken Bosun's Chair, 2234 Blocks_Carbo Air Blocks and for high-load control linesA strong and well designed chair, made in the USA. Harken's chair is made from heavy duty 1680 denier ballistic nylon canvas chair features a wide plywood seat padded with 1" thick foam for a comfortable and secure platform aloft. The low halyard attachment allows maximum height when working at the masthead. Other features include an adjustable back support, wide mouth pockets, and a D ring on each side to attach heavy tools. Total weight (including