The VR Wesson 1" Indexable Tool Holder #CTRPR-16-4 comes with (10 Pcs.) Carmet TPG-433 Carbide Inserts, Grade 721 (C6)  This is a high-quality tool holder designed for CNC machining and metalworking applications. Made in the United States by VR Wesson, this tool holder is a durable and reliable unit that includes inserts for efficient and precise cutting. With its single-piece design and easy installation, this tool holder is a valuable addition to any manufacturing or industrial setting.