Ronstan 20mm High Load Orbit Ball Bearing Block Lashing Head - Double

The Ronstan Series 20 S20 BB Orbit Block, HHL Double Becket Lashing is a high-load, precision-engineered block designed for demanding marine and performance sailing applications. Featuring a double sheave configuration with integrated becket and lashing attachment, this HHL (High Load) version is built to handle increased loads while maintaining smooth, efficient line control.

Constructed with premium-grade stainless steel components, the HHL sheave and bearing race are made from Grade 2205 stainless steel, combined with Grade 304 stainless steel ball bearings for exceptional strength and corrosion resistance. The toughened, glass fibre reinforced nylon cheeks ensure durability while keeping weight to a minimum, making this block ideal for high-performance rigging systems.

Product Name: Series 20 Orbit Block™, HHL Double Lashing
Brand: Ronstan
Unit: Each
Sector: Marine
Sheave Size: 20mm
Max Rope Size: 6mm
Maximum Working Load: 450kg
Breaking Load: 900kg
Material: HHL Sheave & Bearing Race: Grade 2205 Stainless Steel
Balls: Grade 304 Stainless Steel
Frame/Cheeks: Toughened, glass fibre reinforced nylon
Warranty: 3 Years

• Ronstan Series 20 HHL double block with becket and lashing attachment
• High load (HHL) construction for demanding applications
• Dual 20mm stainless steel sheaves for maximum strength and durability
• Grade 2205 stainless steel sheave and bearing race for corrosion resistance
• Grade 304 stainless steel ball bearings for smooth operation under load
• Suitable for rope up to 6mm diameter
• Glass fibre reinforced nylon cheeks for strength and reduced weight
• Maximum working load of 450kg
• Breaking load of 900kg
• Ideal for high-load control line systems and performance sailing setups