U 9805-L - 1-7/8 in., Aluminum Double Thumbscrew Sliding Door Lock (Single Pack)

This is a heavy-duty extruded aluminum with double thumbscrew that adds additional gripping power to securely lock your windows in closed or ventilating position. They are easy to install by twisting the thumbscrew secure in place. The double thumbscrews add additional locking capability. Exercise caution and do not over tighten these locks and cause damage on your window track.
  • Use with metal-framed sliding doors and older style, metal-framed sliding windows
  • Note: These locks are for use on sliding patio doors and windows whose metal fins measure 1/4 inch or thinner
  • Each lock features a pair of counter thumb turn fasteners for adding a strong, sure hold
  • Heavy-duty cast-metal construction with tamper-resistant double thumb turn screws
  • This high security sliding patio door and window lock comes in aluminum finish