Defender Security U 9586 Door Reinforcer 1-3/4-Inch Thick by 2-3/8-Inch Backset 2-1/8-Inch Bore, Non-Recessed, Stainless Steel Stainless steel door latch guard Wrap Around design Fits 2-3/8in. Backset, 1-3/4in. Thick door Single 2-1/8in. Bore Design