New, open box to take photos. Steel material: BXA 250-222 tool holder set is made of steel, which is more durable and has a long service life. Quenching: The wedge type tool post set is hardened with high hardness and concentricity, so it is not easy to vibrate. Usage: The wedge type tool post realizes fixed clamping through the rotation of the handle. Easy to use, the tool holders and wedge type tool post can be locked together for quick replacement. Note for use: The base at the bottom of wedge type tool post is for better transportation and has no practical use. It can be disassembled during use. Products include: The product is composed of 250-222 wedge type tool post, 250-201, 250-202, 250-204, 250-207, 250-210, 2 x 250-201 T tool holder.