This listing is for an assortment of carbide woodworking shaper knives that are made for a 3/4"arbor size shaft. The main sets of knives are custom ground for building 1 3/4" thick raised panel doors. All of the knives needed for the door frame milling and raised panels are included. There are also several different knives for raised panel edge detail. There are also an assortment of smaller carbide knives for different edge detail, along with follower bearings, spacers and assorted items needed for setting the knives.