Item Type: Milling Extension Rod Material: Cemented Carbide 1,Cemented Carbide Material: CNC milling extension rod is forged with cemented carbide, hardened and hard to be deformed. 2,High Concentricity: CNC milling extension bar can be used for powerful milling to improve efficiency, with finely ground bore, high concentricity and high stability. 3,Strong Clamping Force: CNC milling extension rod is highly rigid with strong clamping force, so you can have a safe using process. 4,Cooperate with Machining: CNC milling extension bar can bring the milling cutter (not included) into the deep hole machining groove for machining. 5,Widely Used: CNC milling extending rod is widely used in CNC lathe, machining center, tapping machine, drilling machine, milling machine and other equipment operations.1 x Milling Extension Rod 1 x Hex Wrench 3 x Screw 1 x Storage Box Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.