Riley Automatic Ratchet Block. Ratchet automatically engages when block is under load but allows it to freewheel under light load. A reliable well proven block over many years of use.
For use with all applications of hand held sheets.
Available with or without becket.

Breaking Load: 800kg
Sheave: 51mm x 16mm
Max Rope Size: 12mm
Overall Length: 122mm
Overall Length With Becket: 148mm
Overall Width: 53mm
Weight: 170g