This listing is for one drill chuck Arbor with a 1/4" Shank and a 1/2" 20 Male Thread that is 1-1/8" Long. It comes with a Nut and 2 Flange Washers. It measures 2" OAL. This arbor can be used to hold anything that has a 1/2" arbor hole. ie: cut off blades; buffing wheels; grinding stones....etc.
