Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool, Black Runs coated abrasive and non-woven nylon belts, and is ideal for countless applications on metal, plastic, etc. Tool is double-insulated for safety. Comfortable switch with "lock on" feature. Sanding head pivots 360 degrees, for working in previously inaccessible areas. Includes Contact Arm for abrasive belts, 1/2" W x 18" L