【Flush Trim Router Bit Kit】4-flute straight router bit with 8mm shank, cutting height: 30mm/40mm/50mm, cutting diameter: 14mm/16mm/16mm with a top bearing. 【Product Features】Stable precision, fine workmanship, durable rust, clean cutting, smooth rotation, fast operation, greatly improved service life. Mainly used for wood trimming, lining, graining and grooving. 【Industrial Grade Router Bits】Made of high quality C3 micro-grain carbide with Teflon coating for heat-resistant and long-lasting performance. Efficient and extremely durable cutting. It contains a closed ball bearing for smooth operation and precise trimming cuts for laminates and templates. 【Anti-Kickback Design】The ideal flush trim router bit with sharp carbide edge, 4 flutes design helps remove chips and makes your work clean and smooth to meet a variety of cutting needs. 【Professional Woodworking Tools】Kinds of cutter heads for different applications. Use on CNC routers and other automatic routers as well as handheld and