The Harken model 2135 57 mm ratchet block is designed for use as an Optimist mainsheet block, featuring a 2-way link for easy mounting on SL91410. The block has a machined aluminium sheave with 8 facets to securely hold the line.
Key features:
- Sheave diameter: 57 mm
- Weighs only 85 grams
- Supplied with 2-way link
Perfect for reliable, high-performance sailing.
