Ronstan 30mm High Load Vang Block Becket & Hook

The Ronstan S30 BB Block, HHL Single Becket Vang Key is a high-load, precision-engineered block designed for vang systems and demanding control line applications. Featuring a 30mm sheave, integrated vang key and becket, this block provides secure attachment points and efficient load handling in high-performance sailing setups.

Built for strength and durability, the HHL (High Load) sheave and bearing race are manufactured from Grade 2205 stainless steel, combined with Grade 304 stainless steel ball bearings for smooth, reliable operation under heavy loads. The frame and cheeks are constructed from Grade 316 stainless steel with a hard-wearing black coating, offering exceptional corrosion resistance in harsh marine environments.

Brand: Ronstan
Unit: Each
Sector: Marine
Sheave Size: 30mm
Pin Size: 5mm
Max Rope Size: 6mm
Maximum Working Load: 400kg
Breaking Load: 800kg
Material: HHL Sheave & Bearing Race: Grade 2205 Stainless Steel
Balls: Grade 304 Stainless Steel
Frame/Cheeks: Grade 316 Stainless Steel with hard-wearing black coating
Vang Key: Grade 316 Stainless Steel
Warranty: 3 Years

• Ronstan Series 30 HHL single block with becket and integrated vang key
• Designed for vang systems and high-load control line applications
• 30mm stainless steel sheave 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
• Grade 316 stainless steel frame and cheeks with protective coating
• Integrated becket for additional line attachment options
• Secure vang key mounting for fixed applications
• Suitable for rope up to 6mm diameter
• Maximum working load of 400kg
• Breaking load of 800kg
• Ideal for high-performance sailing and rigging systems