Your Cart (0)
Thumbnail Filmstrip of Harken 57mm Carbo Ratchet Images
Harken 57mm Carbo Ratchet Block
Harken #2135
The Harken #2135 57mm Carbo Ratchet Block is a the standard mainsheet block used on small boats like the Sunfish, Laser, and RS Aero. The on / off ratchet ensures that you'll be able to smoothly trim the sails no matter the conditions.
Features
- On / Off switch operates from both sides
- Standard Grip: Medium / Light Air
- 10:1 Holding power
Specifications
| Sheave (mm) | 57 mm |
| Sheave (in) | 2 1/4" |
| Length (mm) | 103mm |
| Length (in) | 4 1/16" |
| Weight (g) | 85 g |
| Weight (oz) | 3 oz |
| Shackle Pin (mm) | 5 mm |
| Shackle Pin (in) | 3/16" |
| Maximum Line (mm) | 10 mm |
| Maximum Line (in) | 3/8" |
| Maximum Working Load (kg) | 227 kg |
| Maximum Working Load (lb) | 500 lb |
| Breaking Load (kg) | 907 kg |
| Breaking Load (lbs) | 2000 lbs |
| Holding Power | 10:1 |