This 5 piece straight Router bit set is a great choice for all kinds of dado and straight cut routing. The set includes 5 very useful cutting diameters to cut that perfect dado. This set also comes in a beautiful solid wood storage case. The cutting diameters are: 1/4", 3/8", 1/2", 5/8" and 3/4". The 1/4" bit has a solid carbide insert blade which enhances the strength of small diameter bits. The shank diameters are 1/2". Silver induction brazing for maximum strength and durability For use on CNC, table mount and handheld routers Premium C3 micro-grain tungsten carbide blades for a sharper & longer lasting edge Route dados and straight cuts for joinery and general use, Weight: 0.9700339528 pounds, Manufacturer: Yonico