The Ronstan wire block is small and compact. It is made from advanced fiber and polymer technology, making them ten times stronger than steel, yet more lightweight. Use for 420/FJ/V15 Jib Halyard Block
- 20mm
- Ball Bearing
- Lightweight
- High working load
- Ferrule Top
- Removable Sheave
- Flared Cheeks to Minimize Chafing