FEATURED SERIES
Harken Black Magic Blocks

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HARKEN'S NEW TWING BLOCK


Harken 3405 1 Ton Twing Block
The latest Twing block comes with a spring-loaded side opening mechanism that enables one-handed rigging even when wearing sailing gloves. The black anodized aluminum side plates are lined with sturdy bumpers that provide protection to both the block and the topsides and deck. The sheave is made of aluminum and rolls on a bearing system that is shared with Harken’s existing 2.3T high-load snatch block.
Sheave Ø (mm) | 38.5 mm |
Sheave Ø (in) | 1 1/2 in |
Length (mm) | 78 mm |
Length (in) | 3 in |
Weight (g) | 143 g |
Weight (oz) | 1.4 oz |
Maximum line Ø (mm) | 11 mm |
Maximum line Ø (in) | .43 in |
Maximum working load (kg) | 1000 kg |
Maximum working load (lb) | 2205 lb |
Breaking load (kg) | 2000 kg |
Breaking load (lb) | 4409 lb |
IN NEED OF TECHNICAL GUIDANCE?
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FREATURED CLASS
Laser
Class History
The Laser sailboat was designed in 1969 by Canadian naval architect Bruce Kirby. Originally called the "Weekender," it quickly gained popularity due to its simplicity, affordability, and exceptional performance. By 1971, the Laser was introduced to the international sailing scene and became an official class in 1972. It was soon recognized by the International Sailing Federation (now World Sailing) and has since become one of the most popular single-handed dinghies in the world. The Laser has been a staple in Olympic sailing competitions since 1996, attracting elite sailors and enthusiasts alike with its focus on skill over equipment complexity.
General Description
The Laser is a one-design single-handed dinghy known for its speed, agility, and close competition. Built to emphasize sailor skill rather than advanced rigging or technology, the Laser is widely appreciated for its simplicity and minimalistic design. The boat is highly responsive to steering and trimming, making it a favorite among racers and beginners alike. With a large global fleet, the Laser continues to be a dominant force in dinghy racing, with various regional and world championships held regularly.
The Laser's design includes a sleek, lightweight hull that allows it to be easily transported and handled. The boat comes with three different rig sizes (Standard, Radial, and 4.7) to accommodate sailors of different skill levels, body types, and wind conditions, providing versatility in racing environments.
Specifications
- Length Overall (LOA): 4.23 meters (13.9 feet)
- Beam: 1.39 meters (4.6 feet)
- Weight: 59 kg (130 lbs) (Standard Rig)
- Sail Area:
- Draft: 0.81 meters (2.7 feet) (with the centerboard down)
- Hull Material: Fiberglass (typically)
- Mast Height: 7.1 meters (Standard Rig); 6.6 meters (Radial Rig); 6.0 meters (4.7 Rig)
- Centerboard: Retractable, daggerboard type
- Rudder: Tiller and rudder assembly

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