SMC CKZ-63A548P-X6013 Ckz Clamp Arm, X6013 MSRP: Now: $115.40 Was: CKZN50/63, Power Clamp Cylinder Arm, X6013SMC s CKZ2N/CKZ3N NAAMS standard power clamp cylinder arm. - Naams standard arm for CKZN clamp cylinders- Bore sizes: 50, 63 - Styles: Straight machined or... CKZ-63A548P-X6013