Bamix Pro-1 M150 Professional Series NSF Rated 150 Watt 2 Speed 3 Blade Immersion Hand Blender with Wall Bracket Handbuilt in Switzerland with 3 stainless steel interchangeable blades: Aerating blade, Blending blade, and Chopping blade with NSF rating to handle professional cooking projects. Powerful 150 watt AC motor keeps constant, precise speed under heavy loads. It is energy efficient supplying more power with less watts. Balanced to reduce vibration and ensure quiet operation. 2 speeds: Low - 9,000 RPM and High 12,000 RPM with push button control for continuous or pulse action with an ergonomic handle for comfort. 5 3/8 inch shaft is chromated brass. The body is PA6 safety rated nylon and fully sealed. Submersible length is 9.8 inches. Both are high heat resistant to safely use in boiling liquids or hot pots. Open head design creates a perfect vortex to draw food into the blades for faster and more efficient mixing. All parts are easy to clean under running water.