Features APPLICABLE BLADE: This tool holder is suitable for diagonal and T shape blades, used with 11/16in blades with parallel top and bottom edges. ALLOY TOOL STEEL: This tool post holder is forged from alloy tool steel 40Gr, with fine grinding and printing, for high strength, and long service life. APPLICABLE RANGE: Used with 250-200 or 250-222 tool holders, the lathe has a swing range of 10-15 inches, ensuring stability and reliability. APPLICABLE BLADE: This tool holder is suitable for diagonal and T shape blades, used with 11/16in blades with parallel top and bottom edges. TOOL POST HOLDER: Fast change tool holder, which can be easily installed on the engine, workbench, or turning lathe, simple in maintenance. Specification: Item Type: Tool Post Holder Model: 250-207 Material: Alloy Tool Steel 40Gr Center Bolt Thread: M10x1 Socket Thread: M10x1.5 Lathe Swing: 10-15in Blade Height: 11/16in Package List:1 x Tool Post Holder Package List 1 x Tool Post Holder