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Single Block with Ratchet - Series 60
The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 14:1 holding power. Unrivalled low weight is achieved by the use of a Torlon ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On-Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired), and for foot blocks simply turn the sheave upside down before installation to change the sense of rotation. Unique On-Off switch mechanism can be operated under load. Ratchet blocks can be disassembled for servicing or customisation.
Features:
- Unrivalled 14:1 holding power
- Dual sided On-Off switch
- Low friction ball bearing system
- Lightweight
- Cheek cut-outs for easy bearing maintenance
- High strength forged shackle
Applications:
- Dinghy mainsheets on boats such as Laser, 470, 49er and other leading racing dinghies
- Sportsboat mainsheet systems
- Spinnaker sheets on dinghies, especially modern asymmetric classes (49er, 29er, RS-700, RS-800, B14, etc)
- Sportsboat and small keel boat spinnaker sheets (low lead blocks)
- Vang, mainsheet traveller and other control line applications on larger yachts
Materials:
- Carbon black Acetal ball bearings
- Alloy sheave and cheek plates
- Torlon ratchet pawl
- Grade 316 stainless steel forged shackle
Specifications:
- Sheave diameter: 60mm (2 3/8")
- Maximum rope diameter: 10mm (3/8")
- Pin diameter: 5mm (3/16")
- Maximum Working Load: 250kg (550lb)
- Breaking Load: 1370kg (3020lb)
- Weight: 126g (4.4oz)
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