Jamb Repair and Reinforcement Kit, 59-1/2 in. Installed, Steel Construction, WhiteThis kit is used to repair broken or split door jambs. The dual plate design provides up to 12 gauge thickness. The kit includes 2 edge guards for 1 3 4 in. thick doors. The repair reinforcement plates include knockouts for a variety of deadbolt spacing. This repair kit works with both standard entry and double doors Used to repair and reinforce damaged and vulnerable area of door jamb 1 15 16 in. x 59 1 2 in. when all components are installed White