Miller's Saf-T-Climb Shuttle is safety grip sleeve that travels on straight or curved climbs. This Saf-T-Grip Sleeve is for use with Miller Saf-T-Climb ladders systems. This shuttle provides total ladder climbing safety for workers above or below ground. This Saf-T Climb immediately locks into the Saf -T-Notch rail in the event of a slip or fall. The integrated shock-absorbing element reduces the fall forces on the worker.