4 Extra Large Rectangular Rubber Feet Bumpers - .590 H X 3.000 L X 1.510 W - Made in USA .590" Tall x 3.000" Length x 1.510" Width Center Hole - Recess Dia .472 / Recess Depth .280 Non Marking High Quality Thermal Plastic Rubber / Durometer 87 Removable Metal Insert for Extra Strength / Accepts #10 Truss head bolt or .215 screw Made in the U.S.A. / RoHS & REACH Compliant