10 Ago 3″ Adjustable Width Indexable Milling Cutter, Slot Master™ #SM3610L-4 by APT USA
"Slot-Master™ - Adjustable Width Indexable Milling Cutter. Made in the USA by APT (Approved Performance Tooling). For example a cutter that uses 4 vs 6 inserts. Shank Length - 3" OAL Minus Cutting Body Width....