PRIMELINE Defender Security U 9817 Tamper Resistant Sliding Window and Door Lock 14 inch Max Fin Diecast White Hex Screws

Use with metal-framed sliding doors and older style, metal-framed sliding windows, 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 sunk Allen drive fasteners for adding a strong, sure hold, Heavy-duty cast-metal construction with tamper-resistant double-hex security screw and wrench (included), This high security sliding patio door and window lock comes in a white-painted finish