Securely holds 3/16 - 1/2 inch square diameter tool bits, for use with AXA tool post 250-100 or 250-111, up tp 12" swing. AXA 250-101 tool holder is made of steel, which is more durable and has high hardness. This quick change tool post is refined processing, high precision, strong clamping force, small error. This change tool holder is completely sealed and maintenance free operation. Turning and facing tools can be locked together (saving time and labor when changing operations).
