4 Small White Round Rubber Feet - .250 H X .687 D - Made in USA -- Free Shipping USA .250" Tall x .687" Top Width x .652" Bottom Width Center Hole - Recess Dia 336" / Recess Depth .160" Non Marking High Quality Thermal Plastic Rubber / Durometer 87 Removable Metal Insert for Extra Strength / Accepts #6 Truss head bolt or .155 screw Made in the U.S.A. / RoHS & REACH Compliant