Reducing Bushing, Abrasive Mounting Connector Size 2 in, Abrasive Mounting Connector Type Unthreaded Hole, Tool Mounting Connector Size 1 1/2 in, Tool Mounting Connector Type Unthreaded Hole, Overall Length 2 1/8 in, Product Type Wire Wheel Brush Arbor Hole Adapter, Compatible Wheel Diameter (Maximum) 14 in, Compatible Wheel Diameter (Minimum) 4 in, Compatible Wheel Thickness (Maximum) 2 in, Compatible Wheel Thickness (Minimum) 7/8 in, Package Quantity 2