Generic Replacement For Hammond 1590BB * 4.67" x 3.68" x 1.18" (4 3/4" x 3 11/16" x 1 3/16") * Die-Cast Aluminum, Painted Black * Lap Joint Construction Provides Protection Against Access Of Dust And Splashing Water. * Includes (x4) 6-32 x 1/2" Machine Screws. Screw Holes Are Countersunk