Inserts Kit for Indexable Carbide Turning Tool and Boring Bar Set, #2988-0001 TiN Coated Surface Lasting Longer in Metal Machining Cannot be Used for Aluminum and Stainless Steel Machining External Threading 16ER, GTN-4, WCMT43, CCMT43, and DCMT32.5 2 pieces each model Compatibility: Designed for the Accusize 2988-0001 Indexable Carbide Turning Tool and Boring Bar Set, ensuring seamless integration. Coatings: Includes both CVD and TiN coatings for increased wear resistance, with TiN extending tool life in metal machining. Versatility: Features inserts for external threading and various cutting applications, including GTN-3, WCMT32.51, CCMT32.51, and DCMT32.51. Material: Crafted from high-quality carbide, offering exceptional hardness and resistance to wear. Package Contents: 2 pieces of GTN-4, 16ER, CCMT43, DCMT32.59, and WCMT43 inserts, totaling 10 pieces for diverse machining needs.