Cut your own custom railings and handrails with the Yonico 18222 handrail router bit set. The profile bit will cut both sides of the handrail and the thumbnail bit will round the top. At 2-3/4" Diameter, The thumbnail bit is large enough to be used on almost any size stock. It can also be used for table edging among other projects. Two flute carbide cutters with ball bearing guides. Set includes a beautiful solid wood storage case. Shanks are 1/2".