A versatile drilling/marking jig that assists in the accurate and repetitive installation of cabinetry handles and knobs on a wide variety of door and drawer fronts. Self-Centering Scales with both imperial and metric options, remove the need for measurement calculations. Reversible Design for switching between left and right-hung doors. Protective Rubber Over-Mould prevents damage to doors and drawers when positioning and using the jig. 4mm Tool-Steel Drilling Guides provide fast, accurate hole centres. Quick 3-Stage Setup allows the jig to be set in seconds with a standard screwdriver. Sliding Top Guide accommodates handle insets from 30mm to 120mm from the top/edge of the door/drawer. Sliding Edge Guide accommodates door and drawer sizes up to 600mm wide. Polymer Construction.