Carlisle Brass Heavy Duty AQ81 Surface Slide Door Bolt Lock 102mm (4") ---Comes With 3 Styles Of Keep, ---Optional Strikes Provided For Inward Or Outward Opening Doors, ---Designed To Work On Fire Rated French Doors ---Smooth operation, integral ball and spring mechanism for positive location of bolt when closed ---Flat sliding barrell offering more security than a conventional barrel bolt ---Dimensions: length: 102mm, width: 36mm, bolt shoot length: 25mm ---Comes with a 10 year mechanical guarantee ---Individually packed & supplied with screws.
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