[feature] Square slots save a lot of time: put an end to inefficient and bulky slotting tools, suitable for installing electrical boxes, save a lot of time Greatly improve work efficiency: use a square groove knife to obtain a clean and tidy socket groove, one step in place, no need to repeat cutting, bring a smooth cutting surface, greatly improve work efficiency and quality Smooth and Clean Cutting Surface: Cut single and double row boxes quickly and easily. Four blades cut at the same time, fast and easy, the cutting surface is very smooth and clean DURABLE CONSTRUCTION: High quality high carbon steel and stainless steel construction, strong and durable for long service life Electric drill milling: square groove cutter can be used for electric drill milling, saving labor and time [product information] Product name: switch puncher Colour: Black Material: high speed steel Size: 95x60mm, 95x95mm Packing list (available after purchasing one item): switch puncherx2 beg to be excused: 1. Due to the long shipping time, the item may be damaged during the transportation, if the item is damaged, please leave us a message through the official website immediately before leaving a comment, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Color may vary by monitor.