These single gear stainless steel stuffers set the bar for performance and dependability. The precision machined carbon steel gears are manufactured to eliminate slippage and wear, and won't rust or collect germs. Cylinder is easily removed for clean-up. The hard plastic piston with built-in release valve allows air to escape, making your job easier. These are reliable, high performance, gear-driven stuffers that will last. For additional protection, the 5 lb. Stuffer now includes a protective gear box cover. This innovation takes safety and durability to the next level by ensuring your gears and your food are well protected.