The lathe turning tool kit includes 10pcs DCMT0702 EM YBC205 inserts and a wrench, professional tools for steel finishing. Features: Blade safety well toughness matrix and MTTiCN, thick Al2O3. Carbide PVD coating of excellent combination; suitable for steel semi finishing. Positive cutting action, lower cutting and better tool life. Well for cutting common steel. Well accuracy, high toughness, high hard, wear-resistant, strong shock resistance. Specifications: Suitable for: Machining steel Coatings: Carbide PVD Model: DCMT070204 YBC205 Blade Shape: 55 degree diamond After the Blade Angle: 7 degrees Blade Diameter: 4mm / 0.16in Blade Size: 7 * 2.38mm / 0.28 * 0.09in R Cutter Pointed Degree: .4 Wrench Lenght: 87mm / 3.43in Package Weight: 44g / 1.55ounces Package Size: 100 * 40 * 10mm / 3.94 * 1.57 * 0.39in Note: The box and wrench is color random. Packing List: 10 * Turning Inserts 1 * Wrench 1 * Storage Box