Reducing Bushing, Abrasive Mounting Connector Size 1 in, Abrasive Mounting Connector Type Unthreaded Hole, Tool Mounting Connector Size 3/4 in, Tool Mounting Connector Type Unthreaded Hole, Overall Length Not Applicable, Product Type Flap & Convolute Wheel Reducing Bushing, Outside Flange Diameter 1 in, Compatible Wheel Diameter (Maximum) 6 in, Compatible Wheel Diameter (Minimum) 4 in, Compatible Wheel Thickness (Maximum) Not Applicable, Compatible Wheel Thickness (Minimum) Not Applicable