Door Reinforcer, Door Thickness 1-3/4 in Door Thickness, Stainless Steel Finish, Height 4 1/2 in, Width 4 1/4 in, Backset 2-3/8 and 2-3/4 in, Material Steel, Hardware Included, For Use With Blank Channel Covers With Existing 2-3/8 in to 2-3/4 in Holes