This carbide end mill set includes 10 pieces with a 1/8 inch shank,1x4mm 1.5x6mm 2x12mm 2.5x17mm 3.175x22mm Each 2pcs Solid carbide up cut router bits,O-Flute spiral bits used for smoothly upcut groove and slots Our end mills feature a nano-blue coating for enhanced hardness,wear resistance,and excellent cutting performance.ensure high work efficiency Suitable for a variety of materials, acrylic, plastic, aluminum, copper, and wood; Used for Carving, Cutting, Slotting, Milling, Hollow Cutting Ideal for woodworking projects, DIY crafts.Perfect for CNC routing, hobbyist projects, and sign making with plastic and non-ferrous materials.<br><br>Colour:As Shown Material:Tungsten steel<br><br>Package Contents: 1 set * 1/4 upcut spiral router bit<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.