Set of 2 blocks . Double fiddle swivel ratchet 57 mm aluminum sheave with double cam cleat with quadruple swivel block 57 mm sheave block.
- 9:1 / 5:1 purchase. Double speed.
- Working load 1750 lbs
- Breaking load 2500 lbs
- Ball bearing ratchet block with aluminum sheave . On-off ability under load
- Conventional ball bearing design with long lasting characteristic.
