Features: 1Save A Lot of Time: End the inefficient and bulky slotting tool works for mounting the electric box save a lot of time 2Greatly Improving Work Efficiency: Use a square slot cutter to obtain a clean and tidy socket slot one step in place without repeated cutting bring smooth cutting surface greatly improving work efficiency and quality 3Smooth And Clean Cutting Surface: Cut single row and double row boxes quickly and easily. Four blades cut at the same time fast and simple the cutting surface is very smooth and clean 4Durable Structure: Good quality high carbon steel and stainless steel structure durable for a long service life 5Electric Drill Milling: Square slot cutter can be used for electric drill milling saving both labor and time Specification: Item Type: Square Slot CutterSquare Slot Cutter Size: Approx. 9.5 x 9.5 x 4cm / 3.74 x 3.74 x 1.57inRectangular Slot Cutter Size: Approx. 9.5 x 6 x 4cm / 3.74 x 2.36 x 1.57inMaterial: Stainless steel + high carbon steelUses: Used for electric drill millingWeight: 304 g / 10.7 oz(approx.) Package List: 1 x Square Slot Cutter1 x Rectangular Slot Cutter Note: Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.