Features: Achieve precise and repeatable drawer slide installations effortlessly with this magnetic positioning guide featuring build in double metric/royal scale for accurate measurements without extra tool. Crafted from strong steel and plastic, the extendable design with rubber padded toggle clamps ensures scratch without stability on surfaces up to 24 inches using magnetic support arm. Ideal for both DIY enthusiasts and professional woodworkers search streamlined workflows in cabinet hardware installations or furniture assembly projects. Perfect for aligning slides in kitchen cabinets, office drawers, or retail display units where consistent positioning and surfaces defense critical. Its corrosion resistant scale and modulars extendable structure simple complex installations, delivering workshop grade accuracy in small space. Specifications: Material: Steel+Plastic Length: about 37cm/14.57inch Package Includes: 1 set Drawer Track Punching Positioner note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.