High PrecisionThe T-slot cutter features durable carbon steel handle, well-made with high hardness, accurate positioning, high precision, smooth cutting and impact resistance. Heat treatment for clean cutting, can be resharpened. Professional Cutting BladeThe blades are made of quality carbide alloy, sharp and durable. Heat-resistant Teflon coating to prevent the accumulation of sawdust, resin and pitch, and the arc curve design is good for chip removal. Carbon Steel HandleThe handle of the T-slot router bit is made of heavy-duty carbon steel, with anti-kickback design, durable and strong, which provides you with maximum strength and durability. Widely UsedThese 2pcs T-slot router bits are used for wood perforation, ball door tip installation, plastic products, wood, plywood, etc. Package Includes1 x 1/2 Hex Bolt T-Slot Router Bit and 1 x 3/8 Hex Bolt T-Slot Router Bit. 2 Pack T-Slot Router Bit for Hex Screw 3/8 and 1/2 - Professional Woodworking Tools: Perfect for cutting precise grooves and grooves for shelving and cabinet projects and also for other simple straight cutting applications. - Hardened steel bodies with anti-kickback design ensure secure installation and cut all materials like plywood, hardwood and softwood. Specifications: Material: Carbide Alloy Shank Diameter: 8mm Cutting Edge Diameter: 12.7mm(1/2), 9.52mm(3/8) Weight: 18g each Package Includes: 1 x 1/2 T-Slot Router Bit 1 x T-Slot Router Bit 3/8 YOTINO 2pcs T Slot Cutter Bit Set for 3/8 and 1/2 Hex Screw The size within 1-3cm size difference is within the normal range due to manual measurement. The color may have a little difference due to lights, screens.