Features Perfect Fitting: Able to hold 1/2in to 3/4in square tools, the tool post holder is compatible with for Dorian, for Aloris and for phase II CXA 250‑300 250‑333. Firm in Holding: Conforms to standard design, the quick changing tool holder ensures firm connection and stable holding under high speed. Extensive Using: Suits perfectly for 13-18in rotary lathe as well as engine, workbench, turret lathe and more for a variety of processing. Better Material: Premium alloy tool steel 40Gr material has been through excellent workmanship, which has good durability for long use. Easy to Install: Designed to have a compact size and a light weight, the lathe tool holder is very convenient to install within minutes. Specification: Item Type: Tool Post Holder Model: 250-301 Material: Alloy tool steel 40Gr Description: Quick changing tool holder and tool holder are the main accessories of small lathes that is consisting of a tool holder and several tool holders. According to the needs of processing the workpiece, corresponding tool holders can be selected to perform machining such as turning the outer circle, turning the end face, cutting, rolling, drilling and reaming, and boring. It achieves external tool installation, and the tool holder is installed on the tool holder through a dovetail slot, which has the features of rapid tool replacement and high positioning accuracy. It is an ideal product to replace traditional square tool holders and achieve fast turning.  Package List:1 x Tool Post Holder Package List 1 x Tool Post Holder