SMC CDLA2C63-140N-P-F59L MSRP: Now: $667.90 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... CDLA2C63-140N-P-F59L