1HIGH HARDNESS AND LONG SERVICE LIFE: The milling cutter bit is made of good quality carbon steel material with high hardness and long service life 2CLEAN AND ACCURATE CUTS: Accurately machined of sharpness high grade steel blades can make clean and accurate cuts on wood 3GROOVING MANY WORKPIECES: V groove woodworking milling cutters are ideal for grooving many workpieces in woodworking projects 490 ANGLE: V shaped router bit come with 90 angle, 10mm cutting edge diameter, and 6mm round shank 5EXCELLENT PERFORMANCE: This woodworking milling cutter come with stable structure, excellent performance and long service life Item Type: V Groove Router Bit Material: Carbon steel Purpose: Make clean and accurate cuts on wood Handle Type: Approx. 6mm / 0.24in round shank Cutting Edge DiameterxAngle: Approx. 10mm / 0.39in x 90 1 x V Groove Router BitPlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.