PolarWave Heavy Load Single Blocks Extreme Strength. Ceramic-Smooth Performance. Engineered for high-load sailing applications, these Heavy Load Single Blocks combines unmatched load capacity with ultra-smooth ceramic bearings. 18mm Heavy Load Single Block Sheave Ø: 18 mm Length: 28.5 mm Weight: 9 g Max Line Ø: 5 mm Working Load: 210 kg Breaking Load: 640 kg Bearing: High-speed Ceramic 29mm Heavy Load Single Block Sheave Ø: 29 mm Length: 45 mm Weight: 33 g Max Line Ø: 7 mm Working Load: 420 kg Breaking Load: 995 kg Bearing: High-speed Ceramic 40mm Heavy Load Single Block Sheave Ø: 40 mm Length: 58 mm Weight: 66 g Max Line Ø: 12.5 mm Working Load: 1,100 kg Breaking Load: 2,200 kg Bearing: High-speed Ceramic Why Choose PolarWave? ✔ Reinforced Single-Piece Fiber Construction – Unrivaled durability against saltwater, UV rays, and impact.✔ Stainless Steel Components – Corrosion-resistant hardware for smooth, maintenance-free operation.✔ Ceramic Bearing System – Reduces friction for smooth performance under load.✔ Vibrant Colour Options – 6 eye-catching colours to match your rigging style. Built for Sailors Who Push Limits Whether you're racing competitively or cruising offshore, the PolarWave Heavy Load Block provides: Instant responsiveness when trimming sails Total confidence in high-load situations Upgrade Your Rigging. Trust PolarWave.
