All stainless steel enclosed blade assembly with sealed ball bearings. Specially designed clear polycarbonate container is virtually unbreakable and lets you see inside. Blends as little as 4 oz with the same consistency and quality as a full load. Metal to metal drive coupling for high speed production. Heavy-duty 2+ peak hp motor engineered for demanding foodservice operations. Thermally protected motor prevents burnout by temporarily shutting down Easy to clean front panel has moisture shielded switches.