Backset: 7/8" [22.2 mm], 31/32" [24.6 mm], 1-1/8" [28.6 mm], and 1-1/2" [38.1 mm]. 1850S-X2X not available with 7/8" backset.
Case: Measures 1"x6"x depth [25.4mm x 152.4mm x depth], depth varies by backset. Steel with corrosion-resistant plating.
Faceplate: Measures 1" x 6-7/8" [25.4 mm x 174.6 mm].
Strike: See catalog page for dimensions of strike slot which can be cut in metal jamb. Trim plate, box strike, and armored strike are available separately.
Bolt: Eight-ply laminated stainless steel. Center ply has alumina-ceramic core to defeat any hacksaw attack
