Tru-Lock dead bolt/multipoint lock solutions kit. Converts standard single dead bolt lock to a multipoint type lock. Besides adding security, the multipoint lock helps prevent door warpage and creates a tighter seal. Measurements / Specifications: Deadbolt Spacing: Approximately 18-1/2 inches between bolts Front Face Plate Overall Length: 24-5/8 in. Width of Face Plate: 19/32 in. Back Length (portion that goes inside the door cavity): 22-1/8 in. Length of Bottom Wider Portion Plate: 2-1/4 in. Width of Bottom Wider Portion Plate: 1 in. Depth of Lock: 3/4 in. Strike Plate: 4-3/4 in. x 1-1/8 in. Round Screw Hole Spacing: 4 in. Slot Hole Spacing: 3 in. Easy Install: 1. Remove existing dead bolt lock 2. Route or mortise door edge 5/8 inch wide x 3/4 inch deep 3. Mortise strike plates 4. Install new multipoint lock Tools Needed: Router w/ guide, 5/8 inch straight router bit, wood chisel, drill Works with Kwikset, Schlage, Weiser, Dexter, Weslock and other dead bolts. Kit includes strike plates. Priced and sold as a package. Installation kit, with routers, fixtures, bits, etc. is also available: 40122 Installation kit is perfect for contractors or handymen doing multiple installations.