SMS Series Short Mount Stainless Steel Pneumatic and Hydraulic Cylinders by Aurora™ Air Products, Inc. are “common sense engineered” to the shortest length possible without sacrificing areas critical to high performance. This includes rod wipers, quality seals, strong end caps, usable piston rod wrench flats, and piston rod bearing ratios that exceed those of conventional “pancake” cylinders. Exceptional designs for both pneumatic and hydraulic service along with a clean external design for easy wash down.