【SIZE】Suitable for hand drill with 6.35mm shank, drill with stand motor. Cutting Diameter Length: 8/9.5/12.7mm 【MATERIAL】This product uses YG6 hard alloy, with sharp edge, high hardness, precise positioning, smooth cutting and impact resistance. 【APPLICATION】These 1/4 end mills are suitable for solid wood, MDF, chipboard, design profiles, for smooth and thorough cuts, as well as for making stylish furniture. They are also useful for routing grooves on frames, panels, clocks, pylons and other wall tools to create keyhole hangers or grooves for cords. 【FEATURES】Carbide blade is high quality welded to ensure stable quality and high efficiency without worrying about broken and slanting problems during your work. The blade is sharp and durable, adopts a curved curve design, advantageous to remove, perforation is more efficient.