Heavy-duty extruded aluminum lock with single thumbscrew; includes removable round plastic wrench for ease of operation and added torque when tightening or loosening thumbscrew. For installation on metal horizontal sliding windows; securely locks window in closed or ventilating position. Lock Width: 1 In. Lock Height: Color: Zinc Material: Aluminum Track Depth: 1/4 In. Locking Style: Thumb Screw