4 Tall Round Rubber Feet Bumpers - .531 H X 1.062 D - Made in USA .531" Tall x 1.062" Top Width x .997" Bottom Width Center Hole - Recess Dia .408 / Recess Depth .230 Non Marking High Quality Thermal Plastic Rubber / Durometer 87 Removable Metal Insert for Extra Strength / Accepts #8 Truss head bolt or .178 screw Made in the U.S.A. / RoHS & REACH Compliant