Description [Alloy blade, and ] The blade is made of carbide, with a hardness of up to HRC65, and , and has a long service life. [Nano coating] Adopts spraying technology, nano coating, more rust-proof and -. [High-frequency welding] The blade and the blade body are seamlessly and fully welded at high frequency, and the blade is not easy to break. Applicable: Grooving and trimming of woodworking boards such as solid wood, hardwood, particleboard, density board, etc. Colour:As Shown Material:alloy Package Contents: 2 * Bottom Cleaning Router Bits 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.