1100% brand new and high quality 2A pack of V-shape flat bottom engraving bits with Large capacity Chip elimination, high efficiency and good quality 3A Wide Range of Materials can be engraved:hardwood, density board, double color board, acrylic, plastic board 4Made from high quality Tungsten Steel for a precise, easy cutting experience 5High-precision tool grinding,a power tool for 2D sculpture, 3D sculpture