Defender Security Sliding Door Lock, U 9805 (1-7/8 In.)

Defender security sliding door lockThese Defender security sliding locks are for use on sliding patio doors and windows whose metal fins measure 1/4 inch or thinnerEach lock features a pair of counter thumb turn fasteners for adding a strong, sure holdHeavy-duty cast-metal construction with tamper-resistant double thumb turn screwsThis high security patio sliding door lock comes in aluminum finish