TSM Products 5lb Sausage Stuffer with Stainless Steel Frame Durable, stainless steel cylinder, frame, threaded rod and hand crank 304 series, 18 gallon stainless steel cylinder - food grade, will not rust. Lubricomp resin gears allow for effortless and smooth operation Stainless steel pressure relief valve built into the piston head prevent blowouts Food grade plastic and inchcludes a heavy duty Duro-Nitrile inchO inch-r inchg