Feature: 【WHAT YOU WILL GET】You will receive 1pc router bit collet, 3pcs router bit, 1pc 6-in-1 bearing and 1pc L-shaped wrench, to meet your copper-free work needs. The cutting edge is flat and sharper, increasing the contact area and angle, and cutting more quickly. 【STURDY MATERIAL】 The cutter head is made of tungsten steel, the cutter body is made of alloy steel, featuring high hardness, and wear-resistant, smooth cutting and reduced dust generation. The handle and head are high-frequency welded, making them stronger. 【WITH COLLET】The package includes a 1/4inch to 1/2inch collet, which directs the router bit. When using the shank, it must be fully inserted into the collet, otherwise the shank will be broken. It is strong and will not fall off easily. 【6-IN-1 BEARING】Equipped with high-strength bearings, which are stronger and more durable. Guide rail bearings can reduce burn marks. Router bit is compact, easy to operate, and suitable for one-hand trimmers, engraving machines and other equipment. 【WIDE APPLICATION】It can be used in a variety of materials, such as MDF, particle board, plywood compact panel, suitable for carpenter, used for grooving, positioning, trimming, grooving and texturing. Specifications: Color: yellow+black Material: tungsten steel+alloy steel Router bit collet size: (L x inner diameter x outer diameter)about 27 x 6.35 x 12.7mm/1.06 x 0.25 x 0.50inch Router bit size: (L x W x cutting head L x cutting head W)about 5.08x 3.49 x 0.64 x 1.11cm/2 x 1-3/8 x 1/4 x 7/16inch, 5.40x 3.49 x 0.95 x 1.11cm/2-1/8 x 1-3/8 x 3/8 x 7/16inch, 5.56 x 3.49 x 1.27 x 1.11cm/2-3/16 x 1-3/8 x 1/2 x 7/16inch Package Includes: 1pc x Router bit collet 3pcs x Router bit 1pc x 6-in-1 bearing 1pc x L-shaped wrench