Commercial manual can opener from Nemco Foods. Revolutionary lid removal process...opener actually reverses the can manufacturing process by removing the lids exterior seam. Leaves no sharp edges on the lid or can, and lid never drops into can. No metal shavings produced. Opens 8-10 cans per minute. Recommended for up to 100 cans per day. Precision ground stainless steel blade for extra long life. One replaceable blade can cut approximately 5000 cans. Can locking feature allows operator to open the smallest to the largest cans with operational ease. Eliminates the "lift, slam, puncture and rip" methods used by some older openers. Easily mounts on most countertops up to 1-7/8" thick. Heavy duty screw down base keeps opener extra stable and secure. Precision high torque gearing allows for easy, effortless opening of all cans. Height adjustment know allows for opening of cans as large as 6" and as small as 3" in diameter...opens cans up to 13" in height. Does not require daily cleaning because blade never comes in contact with actual contents of the can. Easy to clean, dishwasher safe. Stainless steel and aluminum nickel plated components. NSF.