6" A2-5 MOUNT BACK PLATE FOR 6 JAW ZERO-SET CHUCK (3900-4900)

6" A2-5 Mount Back Plate for 6-Jaw Zero-Set Chuck Designed for the easiest possible installation. Minimize overhang by using the Zero-Set recessed design. All Zero-Set back plates are interchangeable on the same size chuck. Shipping Weight: 6.7 lbs