Item Type: Roman Router Bit Material: Main Body Carbon Steel + Bit Alloy Handle Diameter: 8mm Cutter Head Diameter: Approx. 44.5mm / 1.75in Package List 1 x Milling Cutter 1 x Storage Box 1Alloy Cutter Head: The cutter head adopts alloy, industrial grade milling cutter, high temperature resistance, PTFE coating, rebound prevent design and CNC balance. 2Smooth Running: Can run smoothly at high speed, and is best to add water for cooling during use. 3High Cutting Accuracy: The alloy blade adopts advanced welding, with high cutting accuracy and high finish 4Application: The drill bit of the edging machine is suitable for wooden door frame, wooden window frame, cabinet frame tenon. 5Applicable Crowd: This is a line milling cutter very suitable for professional carpenters or amateurs.