BARTON TUPHblox double block with swivel shackle - Tufnol sail block 16mm

BARTON TUPHblox double block with swivel shackle – high-performance block made of Tufnol

The BARTON TUPHblox double block with swivel shackle combines proven Tufnol technology with a sophisticated design for demanding sailing applications. The combination of lightweight yet extremely robust Tufnol material and the practical swivel shackle makes this block the ideal choice for halyard, sheet, and Cunningham systems.

Tufnol blocks are characterized by their exceptional strength at minimal weight. The material is saltwater-resistant, UV-stable, and requires little maintenance – perfect for continuous marine use. The integrated swivel shackle prevents line twisting and allows for flexible installation.

Product features

• High-strength Tufnol material for maximum load-bearing capacity at low weight
• Double roller for optimal deflection and force distribution
• Integrated swivel shackle prevents line twisting.
• Saltwater and UV resistant for long-lasting use
• Low maintenance and corrosion-free
• Precision-machined discs for smooth running
• For taudiameter 16mm with 64mm disc
• Available with and without underwire
• Maximum breaking load of the series: 1500kg

Technical data

Technical specifications

Material: Tufnol (high-density phenolic resin laminate)
Design: Double block with swivel shackle
Taudiameter: 16 mm
Disc diameter: 64 mm
Breaking load (BRL): 1500 kg
Working load (WL): 750 kg
Manufacturer: BARTON Marine

The breaking load (BRL) indicates the maximum load at which the block fails. The working load (WL) corresponds to the recommended maximum operating load for safe continuous use. The lower bail provides additional securing of the line.