Its 1 / 2inch shank guaranteeing secure compatibility with standard routers, while the geometry enhances control to minimize kickbacks during demanding woodworking operations Engineered with double bearings and high grade steel, this 12.7mm 1 / 2inch shank woodworking cutter ensures smooth, precise grooving and extended durability for professional woodworking projects The double bearing systems minimizes friction during operations, consistent cutting and reduced vibrations for flawlessly edged profiling and joinery tasks Perfectly suited for router table applications in furniture workshops, this grooving bit handles hardwood, plywood, and with exceptionally accuracy for seamless edged connection Designed for cabinetmakers, and serious DIYers seeking reliabled precise tools for intricate wood joinery and composite materials processing, Manufacturer: Kaeltsyn