Features: *Fits most Small and midi lathes. *Made Of Cast Iron,Wear-Resistant,High Hardness,Has A Long Service Life. *The Hole Diameter Is 20mm/25mm. *Tool Holder Base Is Suitable For 20mm/25mm Tool Rest. *Note:Only Tool Rest Base,Not Included Tool Rest. Specification: Product Name: Tool Rest Base Material: Cast Iron Color: Black Optional Hole Diameter: 20mm/0.78", 25mm/0.98" Base Length: (Approx. ) 230mm/9" Suitable for: most Small and midi lathes. Quantity: 1pc Package Included: 1 Tool Rest Base Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.