SMC CK-P04 Clamp Cylinder Ck1, Ckp1, Ckg1 MSRP: Now: $2.10 Was: CLK2, Accessory, Pin (for Clevis/Double Knuckle Joint)SMC s CLK2 series is a perfect choice for holding applications in either a clamped or unclamped state. CLK2 cylinders have a compact lock mechanism which minimizes the extension of the length... MSRP: Now: $2.10 Was: