THIS IS A 3-PIECE ASSORTED TOOLING SET MANUFACTURED BY KENNAMETAL AND DORIAN. THE SET INCLUDES THREE DISTINCT COMPONENTS FOR MACHINING TASKS. THE KENNAMETAL COMPONENTS ARE AN NSR163D TOOL HOLDER AND AN A16 DCLNR4 BORING BAR. THE DORIAN COMPONENT IS AN MCLNR 16-4D TOOL HOLDER. THIS SET OFFERS RELIABILITY AND VERSATILITY FOR VARIOUS TOOLING NEEDS.