Harken Carbo Air Block - 29mm Double Block with Swivel and Becket
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-343 |
| Sheave Ø (mm) | 29 mm |
| Sheave Ø (in) | 1 1/8 in |
| Length (mm) | 85 mm |
| Length (in) | 3 3/8 in |
| Weight (g) | 54 g |
| Weight (oz) | 1.9 oz |
| Shackle pin Ø (mm) | 5 mm |
| Shackle pin Ø (in) | 3/16 in |
| Maximum line Ø (mm) | 8 mm |
| Maximum line Ø (in) | 5/16 in |
| Maximum working load (kg) | 299 kg |
| Maximum working load (lb) | 660 lb |
| Breaking load (kg) | 737 kg |
| Breaking load (lb) | 1625 lb |
