THE ISCAR HELII – 38 1 C- 412 IS A RIGHT-HAND INTERNAL GROOVING TOOLHOLDER WITH A 1 1/5" SHANK. IT IS DESIGNED FOR INDEXABLE TURN & GROOVE TOOLS WITH A HELII STYLE. THE MINIMUM GROOVE WIDTH IS 0.157" AND THE MAXIMUM CUTTING WIDTH IS 0.187". IT SUPPORTS A MAXIMUM DEPTH OF CUT OF 0.4720". THE TOOLHOLDER HAS AN OVERALL LENGTH OF 10" AND REQUIRES A MINIMUM BORE DIAMETER OF 2.08".