Do you have vinyl-framed single hung vertical sliding windows with loose-fitting, worn or missing locks? Besides adding a "new look" to your windows with a fresh set of locking hardware, these sash locks can help add peace of mind by restoring the security features on your single hung sliding windows that were manufactured by BetterBilt. Each lock features a cam-type locking mechanism that mounts on the checkrail of the innermost sash and engages into the keeper on the checkrail of the outermost sash. The locks are constructed of diecast zinc and come in a corrosion-resistant, industry standard, white-painted finish to match other existing hardware that may already be in the home or office. Each set includes one lock, one keeper, installation fasteners and simple instructions. Installation of these locks is quick and easy and can be done with a simple handheld Phillips head screwdriver. Other design features include a 5/16 inch narrow keeper, cam-action fastening, and 2-1/16 inch mounting hole centers. This model is a left-hand lock, and the right-hand lock is also available under the part number F 2625. Compare the style and dimensions of this lock to those required on your sliding windows and order yours today.