Designed for use with Altrium windows Used in vertical-sliding single- and double-hung windows in North Carolina, Texas and other states Constructed of diecast zinc and come in a beautiful beige-painted finish Spring-loaded lever with cam-action locking Square edge profiles mounts easily with a Phillips head screwdriver Mounting holes are 1-7/8 inch on center Allows you to lock your window for security Contents includes a sash lock, keeper, fasteners and easy-to-follow installation instructions Please refer to the line art drawing for dimensions and compare with your needs before ordering