Harken 303 25mm 1" Sheave Replacement For High-Strength Wire Blocks
HARKEN 303
High-Strength Wire Self-Contained Sheave Replacement
Harken self-contained sheaves are designed for sailors to use in custom applications.
Wire sheaves ride on high-load composite bearings. They are Hardkote-anodized with PTFE impregnation.
The 1" (25mm) wire sheave uses low-friction washers to minimize friction.
High-Strength Wire Self-Contained Sheave Replacement
Harken self-contained sheaves are designed for sailors to use in custom applications.
Wire sheaves ride on high-load composite bearings. They are Hardkote-anodized with PTFE impregnation.
The 1" (25mm) wire sheave uses low-friction washers to minimize friction.
| Mfg No. | Material | Sheave Diameter |
Width | Line Diameter |
Max Wire Diameter |
Center Pin Diameter |
MWL* |
| 303 | Aluminum |
1" (25mm) |
9/32" (7mm) |
5/32" (4mm) |
3/32" (2mm) |
3/16" (4.75mm) |
1,000 Lbs (454kg) |
Harken 303 25mm 1" Sheave Replacement For High-Strength Wire Blocks
Sale price$29.95
Regular price$33.45
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Harken 303 25mm 1" Sheave Replacement For High-Strength Wire Blocks
Sale price$29.95
Regular price$33.45