Harken
Harken 40mm Stand-up Block
Professional-grade marine product — trusted by boaters across the UK.
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The Harken 40mm Stand-up Block features a durable, lightweight construction with a self-lubricating delrin sheave, ideal for efficient sail handling and rigging on small boats and yachts. Elevate your sailing performance today! Description The Harken 40mm Stand-up Block is des...
The Harken 40mm Stand-up Block features a durable, lightweight construction with a self-lubricating delrin sheave, ideal for efficient sail handling and rigging on small boats and yachts. Elevate your sailing performance today!
Description
The Harken 40mm Stand-up Block is designed for dependable performance in various marine applications, making it an essential addition to your sailing gear. Constructed with high-strength composite materials, this block ensures durability and resistance to harsh marine environments. Its lightweight design contributes to overall sail efficiency, while the robust construction provides reliable support for a range of rigging systems. Key features include a ball-bearing sheave that facilitates smooth operation under load, reducing friction and enhancing performance during maneuvers. The stand-up design allows for easy use in various configurations, whether it’s mounted vertically or horizontally, ensuring versatility for both cruising and racing scenarios. The Harken 40mm Stand-up Block is particularly well-suited for use as a mainsheet block, genoa furling systems, or as a part of a control line setup. With a working load limit appropriate for a variety of applications, this block caters to the needs of both recreational sailors and professional mariners. The quick-release fitting system simplifies installation and removal, allowing for efficient adjustments on the water. Whether you're rigging a sailboat, optimizing your deck layout, or enhancing your overall sailing experience, the Harken 40mm Stand-up Block is engineered to deliver exceptional reliability and consistent performance in critical marine operations.
Specification
| Model | Harken 40mm Stand-up Block |
| Sheave Diameter | 40 mm |
| Maximum Load | 900 kg |
| Breaking Load | 1,600 kg |
| Weight | 80 g |
| Material | Glass-filled nylon, stainless steel |
| Ball Bearings | Delrin |
| Pin Diameter | 5 mm |
| Height | 105 mm |
| Width | 48 mm |
| Width on Deck | 23 mm |
| Working Load Limit | 400 kg |
| Application | Multi-purpose, deck hardware |
| Certification | CE certified |
Why buy from Marine Chandlery?
- UK marine specialists, based in North Shields
- Next-day UK delivery available
- Same-day collection from our store
- Expert advice before and after purchase
- Carefully selected marine-grade products
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