Prime-Line Door Reinforcer Entry 2.31 in. 10.69 in. x 5.69 in. x 2.31 in. Brass Solid Brass Use on TPrime Line Door Reinforcer Entry 2. 31 in. 10. 69 in. x 5. 69 in. x 2. 31 in. Brass Solid Brass Use on T "PRIME LINE" DOOR REINFORCER 2 1 8" bore not recessed 2 3 8" backset 3 7 8"W x 9"H Solid brass or stainless steel door channel Reinforces and repairs doors Assists in preventing forced entry Use on 1 3 4" thick wood or metal doors with mortise or drive in latches Accommodates key in knob locksets or deadbolts Includes: 2 No. 10 x 1" combo screws