The square groove cutter is well made and exquisite workmanship. The stainless steel blade of the Allen Knife is sharp, strong, wear-resistant and durable.Due to the sharp serration design, the square slot milling cutter becomes more stable and smooth. And the drywall outlet can be quickly and easily cut into single or double row boxes, ensuring accurate cutting. Sleeve groove cutters also remove material quickly, saving time and effort in bending jobs.The recessed cutting design of the outlet cutter swing tool protects you from sparks and drywall debris while you work. The square knife also avoids accidentally hurting yourself or others during the cutting process, making the operation safer.Square Slot Mill Oscillating Tool is designed to cut square shanks. Our square grooving knives are available in two sizes, square and rectangular. The flat and smooth cutting surface of the slotting knife can help you accurately install low-voltage electrical boxes and sockets without damaging trims and walls.The universal interface system of the Electric Box Slot Knife is designed to be compatible with most industry standard oscillating multi-tools on the market. Our square slot cutters for drywall are an excellent solution for cutting drywall, wood and soft metals.