1、100pcs milling cutter bits in a set, comprehensive and practical, perfect for household DIY woodworking use. 2、The 1/4\" shank is made of No. 45 steel, deformation resistance, and the surface is after polishing, which makes it not easy to corrode. 3、High-grade steel blades with sharping cutting, smooth rotation, operating light. 4、All heat-treated blades, with high concentricity and high accuracy. 5、The blades adopt high-frequency welding and perfect connected with the shank body, high strength and with fine wear resistance. 6、Comes with one storage box, easy to carry around with you. 7、Wide applications, suitable for grooves cutting, tongue and grooves joint, trimming and etc.. This is a set of milling cutter bit set, 100pcs bits in a set, made of steel material, with high hardness and strong resist torsion. All heat-treated blade, with high concentricity and high accuracy. High-grade steel blades with sharping cutting, smooth rotation, operating light. You can have a try. Features: 100pcs milling cutter bits in a set, comprehensive and practical, perfect for household DIY woodworking use. The 1/4" shank is made of No. 45 steel,  deformation resistance, and the surface is after polishing, which makes it not easy to corrode. High-grade steel blades with sharping cutting, smooth rotation, operating light. All heat-treated blades, with high concentricity and high accuracy. The blades adopt high-frequency welding and perfect connected with the shank body, high strength and with fine wear resistance. Comes with one storage box, easy to carry around with you. Wide applications, suitable for grooves cutting, tongue and grooves joint, trimming and etc.. Specifications: Name: Milling Cutter Bit Set Material: steel+NO.45 steel Shank: 1/4" shank Package size: 295 * 245 * 90mm / 11.61 * 9.65 * 3.54in Package weight: 2600g / 5.73lb Packing List: 1 * Milling Cutter Bit Set 1 * Milling Cutter Bit Set