Economy manual sausage stuffer features two speed gearing to drive the piston, a pressure release valve plus four stainless steel stuffing tubes. Funnel sizes are 15mm, 22mm, 30mm, 38mm. Weighs 29 lbs. Cylinder size is 18.25"L x 5.75 Dia. Dimensions: 12"L x 11.75"W x 31"H. See page 273 of our 2011 catalog for details.