[Main function] Used for engraving round utensils such as small bowls, trays, jewelry boxes, fly fishing boxes, storage boxes, pet feeding trays, etc. Round head punching and pattern and template milling. The center-joined blade produces a perfectly smooth surface. [Good processing effect] The processed surface is smooth, not black, burr-free, and formed in one time. [Widely applicable materials] The double arc round bottom router drill bit is suitable for hardwood, cork, plywood, particleboard, fiberboard, plastic, acrylic, etc. [Applicable machines] Suitable for bakelite milling, hanging gong, ground gong, engraving machine, CNC, etc. and the small size can also be used for small trimming machines.<br><br>Colour:As Shown Material:alloy<br><br>Package Contents: 1 * 1/2x1/4inch Round Milling Cutter 1 * 1/2x1/2inch Round Milling Cutter<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.