Harken 40mm 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.
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| Part Number | HKN-2636 |
| Sheave Ø (mm) | 40 mm |
| Sheave Ø (in) | 1 9/16 in |
| Length (mm) | 86 mm |
| Length (in) | 3 3/8 in |
| Weight (g) | 44 g |
| Weight (oz) | 1.6 oz |
| Shackle pin Ø (mm) | 4 mm |
| Shackle pin Ø (in) | 5/32 in |
| Maximum line Ø (mm) | 10 mm |
| Maximum line Ø (in) | 3/8 in |
| Maximum working load (kg) | 220 kg |
| Maximum working load (lb) | 485 lb |
| Breaking load (kg) | 735 kg |
| Breaking load (lb) | 1620 lb |
