☞A total of 35pcs, suitable for all kinds of carpentry carving, used in electric and manual engraving machine. ☞This comprehensive set of Tungsten Carbide tipped bits should fulfill just about all needs. ☞The handle can be clamped by self-tightening to carve the machine and product. ☞Manufactured using sealed bearings, contained within a custom made aluminum carrying case with handle and twin clasp closures. ☞These router bits can be re-sharpened.