The Edlund S-11WB NSF Certified Manual Can Opener (15200) is the best manual can opener for no fuss, no muss light to medium volume commercial can opening. The S-11WB Can Opener (15200) is made of all stainless steel, which resists rust, and means the entire unit is completely dishwasher safe, so thorough sanitizing is hassle-free. The S-11WB Manual Can Opener (15200) features Edlund's patented Quick Change Mechanism for fast and easy knife and gear replacement with the pull of a pin. The Edlund S-11WB Manual Can Opener (15200) is best for foodservice operations opening an average of 50 cans or less per day of varying sizes. NOTE: The S-11WB does not come with a base, this model is the 16-inch sliding bar only. It is not recommended to use the S-11 without a base as it may prevent proper operation.