Specifications for Harken 57mm Carbo Block - Fiddle, swivel, single
| Recommended line - Max Ø (mm) | 10 |
| Colour | Black |
| Sheave Ø (mm) | 57 |
| Pin Ø (mm) | 5 |
| Ratchet | No |
| SWL (kg) | 359 |
| NBL (kg) | 1080 |
| A (mm) | 57 |
| B (mm) | 153 |
| C (mm) | 5 |
| Weight (g) | 105 |
Harken Carbo Air blocks are made of tough reinforced composite in a size and style to fit any system: singles, doubles, triples, quads & quints; ratchets and fiddles; soft and hard attach. They have very high working loads for safe, easy trimming and are lightweight, strong, reliable and affordable. The Carbo fiddle block line features high-load ball bearings with fitted races for low-friction operation. The 57mm fiddle features the Cam-Lock locking system. The switch allows the shackle to lock at 90-degree intervals or to swivel freely. Carbo Air blocks are a lightweight, strong and reliable fiber-reinforced composite construction. Ball bearings, sheave, and sideplates are UV-stabilized.
Specifications
| Recommended line - Max Ø (mm) | 10 |
| Colour | Black |
| Sheave Ø (mm) | 57 |
| Pin Ø (mm) | 5 |
| Ratchet | No |
| SWL (kg) | 359 |
| NBL (kg) | 1080 |
| A (mm) | 57 |
| B (mm) | 153 |
| C (mm) | 5 |
| Weight (g) | 105 |
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