This Harken 29 mm double standing bullet block is a compact, lightweight block for sailing where low friction and quick trim response are essential.
The block is designed for lines up to Ø8 mm and features free-running Delrin ball bearings, which provide efficient movement and fast line release under load.
UV-stabilized sheaves and carbon-reinforced sideplates are combined with stainless steel reinforcements with rounded edges for a robust and reliable solution on board.
Key features
29 mm sheave for lines up to Ø8 mm
Low friction for fast trim and release
Free-running Delrin ball bearings
UV-stabilized, carbon-reinforced sheaves and sideplates
Stainless steel reinforcements with rounded edges
