[Main function] Used for engraving round utensils such as small bowls, trays, jewelry boxes, fly fishing boxes, storage boxes, pet feeding trays, etc. [Good processing effect] The processed is smooth, not black, burr-free, and formed in one time. Round head punching and pattern and template milling. The center- blade produces a perfectly smooth . [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., Weight: 0.440924524 pounds, Manufacturer: Gishbjka