The Harken 38mm Double Big Bullet Block with Becket is a compact, low-friction solution designed to lead control lines aft. These lightweight blocks are built for reliable performance, offering fast trim and release capabilities under both high and low loads to adapt to a wide variety of sailing control line applications.
Product Specifications:
- Sheave diameter: 38mm (1-1/2 in.)
- Maximum line diameter: 10mm (3/8 in.)
- Maximum working load: 272kg (600 lb)
- Manufacturer Part Number: 128
Product facts
- CT SKU
- CT-117357
- UPC / GTIN
- 097653003335
- Package weight
- 0.3 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
