Unitized Wheel Mandrel Abrasive Mounting Connector Size 3/16 in Abrasive Mounting Connector Type Unthreaded Hole Tool Mounting Connector Size 1/4 in Tool Mounting Connector Type Straight Shank Overall Length 1 3/4 in Product Type Unitized Wheel Mandrel Outside Flange Diameter Not Applicable Compatible Wheel Diameter (Maximum) 1 in Compatible Wheel Diameter (Minimum) 1/4 in Compatible Wheel Thickness (Maximum) 1 in Compatible Wheel Thickness (Minimum) Not Applicable Package Quantity 5