Description:It is this router bits set features that has a smooth surface, no burr, can withstand high strength mechanical impact, maintain the basic deformation, and has long service life, stable performance.Large core diameter of the blade angle design and spiral screw design makes this router bits set is sharp, and resist to wear, and can increase the amount of chip evacuation.It is made by premium tungsten steel, resistant to corrosion and more durable.The length of the package box is 5.4cm, the width is 5.2cm, and the height is 0.9cm. The diameter of each bit's handle is 3.175mm, the length is 38mm; and the length of each bit's cutter 17mm.It is suitable for woodcarving, engraving, woodworking and so on.Item Name: Router Bits SetMaterial: Tungsten SteelFeatures: Sharp, Easy to Install, High EfficiencyHandle Type: Round HandleMilling Cutter Specifications: Titanium-Plated Single-Edged Spiral Milling Cutter, Double-Edged Ball-End Spiral Milling Cutter, Double-Edged Flat-Bottomed Spiral Milling Cutter, Double-Edged Straight Flute Milling CutterSize Details: Each Bit's Handle Diameter: 0.3175cm/0.13" (Approx.)Package Box Size: 5.4cm x 5.2cm x 0.9cm/2.13" x 2.05" x 0.35" (Approx.)Each Bit Length: 38mm/1.5" (Approx.)Each Bit's Cutter Lenght: 17mm/0.67" (Approx.)Notes:It is convenient for loading and unloading, prevents damage to the tool holder, increases stability, and prevents the phenomenon of tool vibration and offset Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:10 x Double-Edged Straight Flute Milling Cutter10 x Titanium-Plated Single-Edged Spiral Milling Cutter10 x Double-Edged Ball-End Spiral Milling Cutter10 x Double-Edged Flat-Bottomed Spiral Milling Cutter