The Ronstan Series 20 S20 BB Orbit Block, Triple Becket Lashing is a compact, high-performance triple block designed for advanced control systems requiring multiple line runs and efficient load distribution. With three 20mm sheaves and an integrated becket with lashing attachment, this block is ideal for complex rigging setups where precision and smooth operation are critical.
Engineered for low friction and durability, the ball bearing sheaves provide smooth, consistent performance under load. The high compression strength black Acetal sheaves ensure excellent wear resistance, while the toughened nylon frame and cheeks deliver long-lasting strength in demanding marine environments. Lightweight yet robust, this block is perfect for performance sailing applications.
Product Name: Series 20 Orbit Block™, Triple Lashing
Brand: Ronstan
Unit: Each
Sector: Marine
Sheave Size: 20mm
Max Rope Size: 6mm
Maximum Working Load: 300kg
Breaking Load: 800kg
Material: Sheave: High compression strength black Acetal
Frame/Cheeks: Toughened Nylon
Warranty: 3 Years
- Ronstan Series 20 triple block with becket and lashing attachment
- Three 20mm ball bearing sheaves for smooth, low-friction performance
- Designed for rope up to 6mm diameter
- Compact and lightweight for high-performance sailing setups
- High compression strength Acetal sheaves for durability and efficiency
- Toughened nylon frame and cheeks for long-lasting strength
- Maximum working load of 300kg
- Breaking load of 800kg
- Ideal for complex control line systems and multi-line rigging applications






