RotaLoc Plus Cutter Kit 1/2, 5/8, 3/4. Contains 3 RotaLoc Plus cutters: 1 DOC - 1/2, 5/8, 3/4 diameter, plus 3 pilots in a sturdy plastic case. Convenient annular cutter kit holds (3) sizes of RotaLoc Plus annular cutters. 5/8 tool-less shank for quick size changes. Made from M42 HSS. Includes: 1/2, 5/8 and 3/4 dia. cutters plus three pilots. Made in USA.