Contender Box Cover, Material: Malleable Iron, Finish: Triple-Coat (Zinc Electroplate, Chromate And Epoxy Powder Coat), Size: 3/4 IN Top, (2) 1/2 IN Bottom Tapped Openings, Mounting: Screw, Standard: Class I, Division 1, Groups C, D, Class I, Division 2, Groups B, C, D, Class II, Division 1 And 2, Groups E, F, G, Class III, For Use With Contender Bodies