Nut Lock-Type Wheel Adapter Abrasive Mounting Connector Size 3/8 In.-24 Abrasive Mounting Connector Type Threaded Hole Tool Mounting Connector Size 1/4 in Tool Mounting Connector Type Straight Shank Overall Length 2 1/2 in Product Type Nut Lock-Type Wheel Adapter Outside Flange Diameter 3/4 in Compatible Wheel Thickness (Maximum) 3/4 in Compatible Wheel Thickness (Minimum) Not Applicable