Feature:1. Can be quickly and easily installed on the engine or vertical lathe for a wide range of operations.2. Components are completely interchangeable with for Aloris/Dorian/Phase II/Yuasa and most other manufacturers.3. Accurate grinding and hardening, suitable for lathe center height 061.75 inches (composite top surface to lathe center line)4. All working parts are hardened and finely ground, durable and have a long service life5. Strict quality control and quality assurance, high safety factor, can be used with peace of mindSpecification:Item Type: Piston Type Post Tool HolderMaterial: 45 # steelInclude:1 x Wedge Type Tool Post (Including Operating Lever) 1 x Turning And Facing Tool Holder 1 x Boring Tool And Facing Tool Holder 1 x Boring Bar Tool Holder 1 x Cutting Knife Holder 1 x Knurling Turning And Trimming Tool Holder Stud size is M14 and is perfect for most popular lathes, although modification may beneeded for some machines (a bushing or new center stud for a smaller hole may benecessary) Slash Your Setup Time-instant changing from one operation to another.Package List:1 x Wedge Type Tool Post (Including Operating Lever) 1 x Turning And Facing Tool Holder 1 x Boring Tool And Facing Tool Holder 1 x Boring Bar Tool Holder 1 x Cutting Knife Holder 1 x Knurling Turning And Trimming Tool Holder