Cut rail and stile easily with the Yonico 12238 quarter round rail and stile router bit set. Two flute carbide cutters & 1/2" Shanks. Set comes in a solid wood storage case. Rail and stile bits feature fully enclosed ball bearing guides producing precise cuts without the use of a fence. Manufactured from C3 micrograin carbide, our rail and stile bits make detailed, professional cuts resulting in an impressive finished product.