This Harken 38 mm Big Bullet single block with shackle is a compact and lightweight block for efficient sail trimming, where low friction and fast line speed are important.
The block features a 38 mm sheave, a max line Ø of 10 mm, and a safe working load of 136 kg. It is designed to provide easy and precise handling under all loads.
Free-running Delrin ball bearings, UV-stabilized sheaves, and carbon-reinforced sideplates are combined with stainless steel reinforcements with rounded edges.
Key features
38 mm sheave for compact sail trimming
Max line Ø 10 mm
Low friction for fast trimming and line speed
SWL 136 kg and breaking strength 907 kg
Lightweight construction weighing 57 g