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.
| Length (in) | 4 5/16 in |
| Sheave Ø (mm) | 40 mm |
| Sheave Ø (in) | 1 9/16 in |
| Length (mm) | 110 mm |
| Weight (g) | 90 g |
| Weight (oz) | 3.4 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) | 440 kg |
| Maximum working load (lb) | 970 lb |
| Breaking load (kg) | 1080 kg |
| Breaking load (lb) | 2380 lb |
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