An UNUSED 0-1/2" DRILL CHUCK, No. 968, by the Millers Falls Company, Millers Falls, Massachusetts. This chuck is designed to fit on a 1/2" diameter, 20 threads per inch drill shaft. It is in unused condition in its original box, comiplete with the original adjusting wrench. Length = 5.00 Inches (Ref. Id No.: 391143) [Free Shipping]