Selden 45mm Automatic Ratchet Block.
Ratchet function automatically engages as the load on the block increases.
Technical features of the Automatic Ratchet Block 45:
- 5mm Delrin ball bearings and 45mm aluminium sheave.
- The sheave automatically changes from free-turning ratchet when the load increases. The sailor decides when the automatic ratchet kicks in. The switch over point is set using an all key to adjust a screw inside the sheave. Fast, simple, precise.
Specification:
- Sheave Diameter: 45mm
- Weight: 80g
- Safe Working Load: 150kg
- Breaking Load: 300kg
- Max line: 8mm
- Pin Diameter: 4mm
- Shackle Diameter: 4mm