SMC CDLA2L63-900K-E-B54L MSRP: Now: $918.45 Was: The Cla2 Cylinder Acts As An Air-Operated Brake With Spring-Backup. When External Position Feedback Sends A Signal To An Air Valve, The Brake Is Actuated And Fast-Acting Shoes Grab The Actuator Shaft... CDLA2L63-900K-E-B54L