Router Bits 12 Pieces Set For All Standard Routers with 8mm collets, For precise use with softwood, chipboard, plywood and MDF boards, for most common uses such as chamfers, grooves, bevels, dovetails, profiles and much more, 12 router bits with a durable tungsten carbide cutting edge, 6 of them with a ball-bearing mounted spacer disc, Suitable for all standard routers with 8mm collets, Max. rotation speed: 30,000rpm, Includes hex key