Harken 57mm Block Swivel
Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.
| Part Number | HKN-2600 |
| Sheave Ø (mm) | 57 mm |
| Sheave Ø (in) | 2 1/4 in |
| Length (mm) | 110 mm |
| Length (in) | 4 5/16 in |
| Weight (g) | 87 g |
| Weight (oz) | 3.1 oz |
| Shackle pin Ø (mm) | 5 mm |
| Shackle pin Ø (in) | 3/16 in |
| Maximum line Ø (mm) | 10 mm |
| Maximum line Ø (in) | 3/8 in |
| Maximum working load (kg) | 359 kg |
| Maximum working load (lb) | 792 lb |
| Breaking load (kg) | 1079 kg |
| Breaking load (lb) | 2380 lb |
