Amana's unique set of miniature router bits is comprised of twelve useful shapes, all carbide-tipped for extra long life. Designed to meet the needs of doll house enthusiasts, model makers, architects and professionals, they are ideal for producing a wide variety of small-scale moldings.Available individually, or as a set of twelve in a handsome wood storage box. All of our miniature router bits are furnished with 1/4" diameter shanks and work equally well in any router or trimmer with a 1/4" collet.