Feature:1. PREVENT OVERSHOOTING: Using vertical guides with height and depth stops to avoid overshooting the cutting area, you can use with confidence2. HIGH ACCURACY: Industrial grade linear bearings and scales also improve cutting accuracy and speed, useful and practical3. SUPPORT DIFFERENT THICKNESSES: 3 knives are made of tungsten steel for faster grooving, incisive, stable and firm to hold wooden doors of different thicknesses4. WIDE APPLICATION: Door lock clamp kits can be used to open new lock holes, open offset lock holes, replace combination locks, and replace fingerprint locks5. EXCELLENT PERFORMANCE: Door lock hole opener support safe operation, quick slot, full specification, easy operationSpecification:Item Type: Door Lock Hole Opener KitMaterial: Alloy steel, tungsten steelColor: SilverApplication: Suitable for mortise cutting of lock body and panel, and cutting of door hinge groove Package List:1 x Slotting Machine Main Body1 x Triangular Chuck Connecting Rod3 x Tungsten Steel Cutter Head1 x Woodworking Flat Groove 1 x Positioning Block1 x 30mm Steel Ruler1 x No. 12 Open End Wrench1 x No. 14 Open End Wrench1 x Storage Box