The Ronstan single block series 20 with 20 mm pulley diameter is a universal block for lines up to 6 mm and wire rope (HL version only). The robust block is specially designed for control lines, cunninghams, travellers or sheet systems on dinghies. Further details:
- UV-stabilised acetal disc Ø: 20mm
- 316 stainless steel swivel shackle and head attachment
- Impact and UV-resistant, fibre-reinforced nylon jaws
- Stainless steel bearing balls
- Maximum line diameter: 6mm HL block and inlet blocks up to 3mm wire rope
- Axle diameter: 3mm
- Continuous load: approx. 250kg,breaking load: approx. 550kg
- Weight: approx. 20g