Harken 300 25mm 1" Single High-Strength Wire Block
HARKEN 300
Single Line/Wire High-Strength Block
Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. High-load composite bearings carry axial loads. Hardkote-anodized PTFE-impregnated sheave for strength and corrosion resistance.
25mm (1.00") wire blocks use low-friction thrust washers. 38mm (1.50") and 51mm (2.00") wire blocks feature side-load balls between the sheave and the side plate to minimize friction from unfair leads.
Use for:
Single Line/Wire High-Strength Block
Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. High-load composite bearings carry axial loads. Hardkote-anodized PTFE-impregnated sheave for strength and corrosion resistance.
25mm (1.00") wire blocks use low-friction thrust washers. 38mm (1.50") and 51mm (2.00") wire blocks feature side-load balls between the sheave and the side plate to minimize friction from unfair leads.
Use for:
- Wire halyards
- Vangs
- Control lines
| Mfg No. | Description | Sheave Diameter |
Max Wire Diameter |
Max Line Diameter |
Shackle Pin Diameter |
Max Working Load |
Breaking Load |
Weight |
| 300 | Single | 1" (25mm) |
3/32" (2mm) |
5/32" (4mm) |
3/16" (5mm) |
1,000 Lbs (454kg) |
2,000 Lbs (907kg) |
1.0 oz. (28g) |
Harken 300 25mm 1" Single High-Strength Wire Block
Sale price$45.95
Regular price$51.75
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Harken 300 25mm 1" Single High-Strength Wire Block
Sale price$45.95
Regular price$51.75