4 Medium Rectangular Rubber Feet Bumpers - .390 H X 2.022 L X 1.005 W - Made in USA .390" Tall x 2.022" Length x 1.005" Width Center Hole - Recess Dia .333 / Recess Depth .187 Non Marking High Quality Thermal Plastic Rubber / Durometer 87 Removable Metal Insert for Extra Strength / Accepts #6 Truss head bolt or .148 screw Made in the U.S.A. / RoHS & REACH Compliant