Mechanical retraction of latch upon entry of correct sequence of code. Non handed units. Reversible latch. Protective clutch mechanism. Fast code change whilst unit fitted. Suits doors 35-57mm thick. Weather Resistant. 3 Year Warranty. Outside : Thumbturn on operation of code Inside : Thumbturn - Free Exit No. Of Codes : 1 Combinations : 1000 Code Length : 1 to 5 digits Holdback: 90 turn of internal thumbturn Latch : 16mm Rim deadlatch Finish : Black Note: Rim case always black