Quad Groover set

D 47.6 mm C2 3.2 to 18 mm B 22 mm E 12.8 mm Shank Diameter 1/2 inch Groovers C: SP-QUAD/18 3.2 mm SP-QUAD/532 4 mm SP-QUAD/316 4.8 mm SP-QUAD/14 6.3 mm