5 Minutes Door Lock Mortiser Jig Kit With Three CuttersMaterial Tungsten Aluminum alloy PlasticFeatures 1 Easy install and operate 2 Can be used on wooden or aluminium doors 3 Robust construction and precision manufacture 4 Increases accuracy and speed of mortice cutting 5 Fast and accurate on doors from 0cm 13 5cm thick 6 Supplied complete with operating manual and plastic carry case 7 All parts are replaceable with three cutters 18mm 22mm 25mm 8 Users just use electric drill to connect with this device then you can start work 9 This tool set is specially giving help for opening the slot and hole of the doors 10 Uses vertical guides height and depth stops to ensure you do not overrun the cut area 11 Quite suitable for installing hotel doors security doors and modifying door locks etc Package included 1 X Jig Kit Door Lock Mortiser3 x Cutters 18mm 22mm 25mm 2 x Allen Key 2 5mm 5mm 1 x Spanner1 x Ruler1 x Plastic carrying case1 X Instruction Manual