Harken 40mm Double 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 | Sheave Dia. | Length | Weight | Max. Line Dia. | Max. Working Load | Breaking Load | Shackle Pin Dia. |
|---|---|---|---|---|---|---|---|
| HKN-2638 | 40mm | 94mm | 86g | 10mm | 440kg | 1080kg | 5mm |