DIE-CAST ALUMINUM MATERIAL; POWDER COATED FINISH; GRAY COLOR; 2-3/4 INCH; 4-1/2 INCH; 2 INCH; 3/4 INCH HUB SIZE; 3 HUB(S); 1 GANG(S); UL, CSA C22.2 APPROVAL; SURFACE MOUNTING; 18.3 CUBIC INCH CAPACITY; LUG MOUNTING HARDWARE