Swivel casters offer three levels of lock protection
SingleTechCombi total-lock swivel casters are available in 12 single-wheel models. Available with fully enclosed, positive mechanical brake and locking system for locking all coasters in a combination set simultaneously. Constructed of lightweight, pressure-diecast aluminum shells. Central locking system offers three positions: free-swiveling; swivel locked with wheel free; and total locking. Locking does not wear on brake pads or tire surfaces. Load capacities range from 198 to 330 lbs. Revvo Caster Co. Inc., a Colson Associate Company, West Seneca, N.Y.