

Block with Carbo Cleat ø57mm
Harken's Carbo Air® ball-bearing blocks are lightweight, strong, and reliable. Designed for "performance", these compact blocks have a very high working load to ensure safe and easy adjustment. The lightweight sideplates are made of glass-fiber reinforced resin for high strength.
The Carbo block with cleat allows for the most precise adjustments. The shackle is 5mm.
| Diameter | Max. Line | Working Load |
Breaking Load |
| ø57mm | ø10mm | 136kg | 340kg |