Kwikset Signature Privacy Lockset, Design: Pismo, Knob Handle, Matte, Zinc, Black, Door Handing: Universal, Door Thickness: 1-3/8 to 1-3/4 in, Projection Size: 2.4 in, Edge Bore Diameter: 1 in, Cross Bore Diameter: 2-1/8 in, Backset Type: Adjustable, Backset Size: 2-3/8 to 2-3/4 in