Allen 12 x 38mm HT Stainless Steel Sheave Box waveline The high standing collar and

The high standing collar and colour-matched

this 57mm Quad Boat Block with Swivel from Harken is the ideal companion for the popular Black Magic line of blocks

For windsurfing

Safe Working Load: 350kg

Ceramic fibers impart higher heat tolerance as well as increasing the puttyʼs overall adhesion as these fibersʼ denier is quite thin and allow for good mechanical “tooth”

Allen 12 x 38mm HT Stainless Steel Sheave Box waveline The high standing collar and12 x 38mm High tension stainless steel sheave box. Twist open the stainless steel cheeks on these sheave boxes to allow clean access to the inside of the mast as well as easy fitting when changing halyards etc. Stainless steel AISI 316. . SPECIFICATIONS Sheave Width 12mm Sheave Diameter 38mm Slot Size 77mm x 19mm Weight 98g Hole Size 6mm