Part# 202-9475 Interchangeable with Phase II and Dorian same series Wedge type tool posts are precisely engineered to assure repetitive accuracy Advanced design provides built-in quick tool changing versatility with positive rigidity to meet the most exacting working tolerances This tool post comes with a blank T-slot nut plate. Customers will need to machine the plate to fit their own specific t-slot for their lathe. Shars 10" - 15" Lathe Swing BXA 222 6 PCS CNC Lathe AXA Wedge Quick Change Tool Post Set