Securely holds 1/4 – 5/8 square diameter tool bits. Interchangeable with Dorian, Aloris, & Phase II BXA series tool posts. For use with BXA tool posts 250-200 or 250-222. Precision ground and hardened. Completely sealed for maintenance free operation. Turning and facing tools can be locked together (saving time and labor when changing operations). The Product Has Passed Strict Quality Testing. Durable And Easy To Install And Replace. Cost-effective, Good After-sales Service. 10Pcs BXA #1 250-201 Quick Change Tool Post Holder Turning & Facing For Lathe. Quality Assurance For Your Peace Of Mind. 10Tool Post Holder 250-201. Pls check your old picture or model when you order it. Sorry for any inconvenience caused. Thank you for your understanding. Quick Change Tool Post. If there is any fault or problem with the product, please don’t be shy to express it, we will solve it at the first time. Metal Cut Off Wheels.