SMC CK1A40-100Y-X548 MSRP: Now: $143.85 Was: The Ck1 Series Is A Clamp Cylinder Available In Two Styles Of Clevis Widths *. It Is A Non-Lube, Compact, Lightweight Cylinder With A Built-In Speed Controller. Gaiters Are Unnecessary Because A... CK1A40-100Y-X548