Atlas Workholding NBK10

10″ Chuck Diam, 0.36 to 4.15″ External Chucking Diam, Low Profile Machining Chuck 8.58″ Bolt Hole Spacing, 3.15″ Through Hole, 2.83 to 9.49″ Internal Chucking Diam, 12.4″ Base Width x 2.87″ Base Height