Specification: 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. Completely sealed for maintenance free operation. Turning and facing tools can be locked together (saving time and labor when changing operations). Feature: The Product Has Passed Strict Quality Testing. Durable And Easy To Install And Replace.