

Harken 29mm 381 Carbo Double Fixed Block
Harken 29mm 381 Carbo Air Double Fixed Block
Made of a tough reinforced composite the 29mm Carbo Air Fixed Double Block is a smooth-running and powerful performer, making trimming easy regardless of wind power. This double block features U-Locks to hold the swivel in front/side position or to let it spin freely. Perfect for main, jib and spinnaker sheets on dinghies and sportboats control lines on boats of all sizes.
High-strength, lightweight fiber-reinforced composite construction the open 29mm carbo air blocks are designed to eliminate unnecessary material to reduce weight while being UV-stabilized (ball bearing, sheave, and sideplates) they stand up to sun, salt and time. The free running ball bearings roll on curved races dispersing the load for a higher strength block offering a low friction efficiency for fast trim and release.
- Sheave Diameter: 29mm
- Length: 54mm
- Weight: 34g
- Maximum Line: 8mm
- Maximum Working Load: 299kg
- Breaking Load: 737kg
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Product Information
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Shipping & Returns
Description
Harken 29mm 381 Carbo Air Double Fixed Block
Made of a tough reinforced composite the 29mm Carbo Air Fixed Double Block is a smooth-running and powerful performer, making trimming easy regardless of wind power. This double block features U-Locks to hold the swivel in front/side position or to let it spin freely. Perfect for main, jib and spinnaker sheets on dinghies and sportboats control lines on boats of all sizes.
High-strength, lightweight fiber-reinforced composite construction the open 29mm carbo air blocks are designed to eliminate unnecessary material to reduce weight while being UV-stabilized (ball bearing, sheave, and sideplates) they stand up to sun, salt and time. The free running ball bearings roll on curved races dispersing the load for a higher strength block offering a low friction efficiency for fast trim and release.
- Sheave Diameter: 29mm
- Length: 54mm
- Weight: 34g
- Maximum Line: 8mm
- Maximum Working Load: 299kg
- Breaking Load: 737kg


















