Harken 131 38mm Single Small Boat Classic Big Bullet Thru-Deck Exit Block
HARKEN 131
Big Bullet Thru-Deck Block
Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. Free-rolling Delrin® ball bearings, sheave and side plates are UV-stabilized with carbon-black additive for maximum protection. (Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.)
Wire Bullet blocks use roller bearings to carry higher loads and feature Hardkote-anodized PTFE-impregnated aluminum sheaves for strength and corrosion resistance.
Use for:
Big Bullet Thru-Deck Block
Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. Free-rolling Delrin® ball bearings, sheave and side plates are UV-stabilized with carbon-black additive for maximum protection. (Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.)
Wire Bullet blocks use roller bearings to carry higher loads and feature Hardkote-anodized PTFE-impregnated aluminum sheaves for strength and corrosion resistance.
Use for:
- Outhauls
- Vangs
- Barber haulers
- Cunninghams
- Traveler controls
Mfg No. | Sheave Diameter |
Length | Max Line Diameter |
Max Working Load |
Breaking Load |
Cutout Size | Fasteners | Weight |
131 | 1-1/2" (38mm) |
3-1/2" (89mm) |
3/8" (10mm) |
300 Lbs (136kg) |
2,000 Lbs (907kg) |
15/16" x 2-3/16" (24 x 56mm) |
#10 (5mm) FH | 2.25 oz. (64g) |
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Harken 131 38mm Single Small Boat Classic Big Bullet Thru-Deck Exit Block
Sale price$47.95
Regular price$54.35