Schlage B Deadbolt, Security Grade: Grade 1, Number of Cylinders: 1, Cylinder Type: 5-Pin, Keyway Type: C, Key Type: Alike, Strike Type: Radius Corner, Strike Size: 1-1/8 in W x 2-3/4 in H, Backset Type: Adjustable, Backset Size: 2-3/8, 2-3/4 in, Latch Type: Universal, Latch Housing Diameter: 1 in, Throw Length: 1 in, Cross Bore Diameter: 1 in, Projection Size: 1 in, Door Thickness: 1-3/8 to 1-3/4 in, Commercial/Residential: Commercial, Residential, Matte Black