FACOM RL.171PB Dust-tight reversible ratchet with lock. Maintenance-free and long service life. Simple locking of 
the socket wrench and accessories at the push of a button. Sturdy safety eyelet in the handle for 
fastening the tool when working at heights. The knob on the reversible ratchet can be pressed 
during the tightening or loosening process, without accidentally changing the direction of rotation.