This heavy-duty dual gear stuffer is the best you can buy. The huge drive gear, notched piston rod and all metal gears are built to deliver and withstand the pressure needed to stuff even small sausages. Four solid stainless steel bars create a sturdy frame that won't bend or bow under pressure. Two speed design: high speed raises the piston quickly for filling the cylinder, low speed is for stuffing casings. Air release valve in piston ensures even pressure and better results. Heavy-duty rubber gasket seals the cylinder to prevent leaks. Stainless cylinder is removable for easy filling and cleaning. Mounting holes in base. Includes four stainless steel stuffing tubes (5/8", 3/4", 1" and 1-1/2").