Defender Security 1/4in, 2in Construction, Sliding Door Window Lock

Defender Sec 1/4in 2in Constrt Wt- Sliding Dr Window Lk W/Allen Drive Fasteners 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 In. 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 Easy To Install In Less Than 10 Minutes With A Few Simple Tools Used On A Variety Of Sliding Patio Door Systems, In Addition To Some Older Horizontal Sliding Windows For Further Dimensional Information, Please See The Line Drawing MFG# U 9815