
Harken 40mm Stand-up Block
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!
Out of stock items can be ordered and shipped out within 3-5 working days
We despatch all orders within 24 hours. Orders placed weekdays before 4pm will be shipped the same day.
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Pickup available at Marine Chandlery: North Shields
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Harken 40mm Stand-up Block
Marine Chandlery: North Shields
Unit G4 Narvik Way
Tyne Tunnel Trading Estate
North Shields NE29 7XJ
United Kingdom

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!
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 |
Delivery information
Standard delivery: 3-5 working days
Express delivery: 1-2 working days
Free delivery on orders over £100








