PolarWave 18mm, 29mm, 40mm Heavy Load Single

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.