6-12&#######x27;&#######x27; Piston Type Quick Change Tool Set 100 AXA. Item Weight:? 11.68 pounds. Package Dimensions:? 8.35 x 6.57 x 4.13 inches. Item model number:? LLDS-120-160. Item Package Quantity:? 1. Date First Available: June 19, 2017. 6pc AXA QUICK CHANGE TOOL POST FOR LATHE WITH 6″ TO 12″ SWING. PISTON TYPE 250-100 SERIES, the thread size of the stud that runs through the center of the tool post: M141.5. Suitable for lathe center height 0.6 – 1.75″ (top compound surface to lathe center line), such as: South Bend 9″ & 10″, Atlas 10 & 12″, Delta 10 & 11 Nardini TT1000 & TT1200 and many other import lathes. Interchangeable With Aloris, Dorian & Phase II. All working parts hardened and precision ground.