Ronstan Series 20 Orbit Ball Bearing Block – RF25109
The Ronstan Series 20 Orbit Block only weighs 9grams but is capable of loads up to 250kg. This 20mm pulley block has an integrated stainless steel hub which you can tie or lash your rope through to fit this block to your boat using up to 4mm rope.
The 20mm Orbit block from Ronstan has a high compression strength carbon black acetal sheave and toughened glass fibre cheeks reinforced with nylon.
This pulley block will be perfect for control lines on your sailing dinghy.
Specifications
- Sheave – 20mm
- Max Rope Diameter – 6mm
- Max Working Load – 250kg
- Breaking Load – 550kg
- Weight – 9grams