Reducing Bushing Abrasive Mounting Connector Size 1 in Abrasive Mounting Connector Type Unthreaded Hole Tool Mounting Connector Size 3/8 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