Features: You will receive 1pc SRDPN1616H08 5/8”/16mm diameter lathe milling tool holder , 11pcs RPMT08T2MOE indexable milling inserts cutter and 1pc wrench. The SRDPN1616H08 5/8" lathe milling tool holder material is 40Cr steel, it have the characteristics of durability, sturdiness and stability. The RPMT08T2MOE indexable milling inserts cutter coating have good toughness, wear resistance and high temperatures resistance, the milling insert can be used for milling steel part. RPMT08T2MOE milling insert size : Insert Style : RPMT , thickness: 0.109" ≈ 2.78mm , diameter : 0.314≈ 8mm , P=11° degree. The milling tool holder and milling inserts are packed in a plastic container, safe and easy to store, Specifications: Component:40Cr Steel Lathe tool holder Diameter : 5/8" 5/8" / 16x16mm Turning tool holder total length : 100mm ≈ 3.93inch Screw : M4x8 Insert : RPMT08T2MOE Insert Diameter : 8mm≈0.31inch Insert Thickness : 4mm≈0.15inch Size:Approx.40x2x2cm/15.74x0.78x0.78inch Package Includes: 1 Set Milling Inserts note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.