Complete 55-Piece Kit: Everything needed for concealed pocket hole joinery is included — jig, step drill bit, depth stop, hex key, screws, screwdriver blade and screw-hole covers Invisible, Professional Finish: Create hidden screw joints for corner butt, T-butt and edge-to-edge connections that look furniture-grade with no exposed hardware Built-In Thickness Gauge: Measure board thickness directly on the drilling jig — preset markings support all standard board thicknesses from 12 mm for fast, accurate setup Step Drill Bit Included: The specialist two-stage bit pre-drills the thread guide hole and countersinks the screw recess in one pass, saving time and ensuring consistent results Organised Storage Case: The sturdy plastic carry case keeps all 55 components neatly stored and protected, so nothing gets lost between projects, Manufacturer: wolfcraft