Products include: The product is composed of 250-111 wedge type tool post, 250-101, 250-102, 250-104, 250-107, 250-110 tool holder. Durable AXA 250-111 wedge tool post holder set fits 12 lathes for efficient quick change operations. Includes six wedge-type tool post holders for versatility. Designed for quick and easy tool changes on lathes. Compatible with 12-inch lathe machines for broad use. Made as an Steel material: AXA 250-111 tool holder set is made of steel, which is more durable and has a long service life. Jecoupoon AxA Industrial Tools Wedge Type Quick Change Tool Tool Post Set Kimllier 6Pcs AXA 250-111 Wedge Type Quick Change 6 AXA Tool Post Set It can be disassembled during use. Precision-engineered Wedge Type Tool Post Set for lathe center height 0.6"-1.75", includes 1 tool post and 5 holders. Ideal for South Bend, Atlas, Delta, Nardini, and other import lathes. Hardened, precision-ground for rigidity and chatter-free performance Usage: The wedge type tool post realizes fixed clamping through the rotation of the handle. Quenching: The wedge type tool post set is hardened with high hardness and concentricity, so it is not easy to vibrate.