Model Number: 250-001 Turing and Facing Tool HolderTool Bit Range: Up to 1/2 inchMatched Tool Post: 000 Wedge Type Tool PostCannot be used with Mini Aluminum Tool for quick Use Use with 0XA tool post 250-000 to 8 inch swing. Safely accommodates up to 1/2 square inch diameter tool interchangeable bits with Dorian, Aloris and Phase II series mini tool posts. While we your satisfaction, these especially work best with matching tool postsColor: BlackMaterial: SteelPackage Contents:2*Turning & Veneering Tool HolderOnly the above package content, other products are not included. Note: The light and different displays may cause the item's color a little different from the real thing. The measurement error is +/- 1-3cm.