Harken 304 38mm 1.5" Single High-Strength Wire Block
HARKEN 304
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 |
304 | Single |
1-1/2" (38mm) |
1/8" (3mm) |
3/16" (5mm) |
1/4" (6mm) |
1,500 Lbs (680kg) |
3,000 Lbs (1,361kg) |
2.75 oz. (78g) |
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Harken 304 38mm 1.5" Single High-Strength Wire Block
Sale price$74.95
Regular price$85.05