Caution: Minor differences in product design may result in different model numbers. Please check the picture carefully to see if it matches your product. Suitable for the lathe with center line height Around 0.5″ (The top cross slide tool post Mounting Surface to the lathe center line)such as: South Bend 9″&10″, Atlas 10&12″, Delta 10&11 Nardini TT1000 & TT1200 and many other imported lathe. ALL-CARB 11×AXA 250-111 Wedge Type Quick Change Tool Post Set for 6″ – 12″ Lathe. Wedge type tool posts are precision engineered to assure repetitive accuracy. Wedge type tool posts have the Maximum rigidity to get the chatter free cutting. No time wasted with shims. All working parts hardened and precision ground, more durable and hardness. The tool post comes with a blank T-Nut plate, the customer have to do some machining work to make it fit into their own specific lathe T slot. 250-101 Turning & Facing Tool Holders, use tool bits up to 1/2. 250-101XL Over Size Turning & Facing Tool Holder use tool bits up to 5/8. 250-102 Boring, Turning & Facing Tool Holders, use tool bits up to 1/2″ and round shank bits up to 7/16″. 250-102XL Over Size Boring, Turning & Facing Tool holder use Tool Bits up to 5/8. 250-104 Heavy Duty Boring Bar Holder, can use 5/8″ and 3/4″ two size shank boring bars. 250-107 Parting Blade Tool Holder, use 1/2 height parting blades. 250-110 Knurling, Facing and Turning Tool Holder, apart from Knurling, can also Turning with bit up to 1/2. Two Wheel Knurling Tool can be used separately with any square tool bit holders. Brand new; Made of High Quality Steel, Wedge Type. This product offers the best after-sales service. We are committed to providing you with durable and high quality products. Thank you for choosing our products! Includes: 1 × 251-111 AXA Size Wedge Type Tool Post 2 × 250-101 Turning & Facing Tool Holders 2 × 250-101XL Over Size Turning & Facing Tool Holders 1 × 250-102 Boring, Turning & Facing Tool Holders 1 × 250-102XL Over Size Boring, Turning & Facing Tool holder 1 × 250-104 Heavy Duty Boring Bar Holder 1 × 250-107 Parting Blade Tool Holder 1 × 250 -110 Knurling and Turning Tool Holder 1 × Two Wheel Knurling Tool can be used separately with any square tool bit holders. Quick Change Tool Post. And our office is closed on Sunday and we apologize for the late reply during the holidays. We will do everything we can to give you a satisfying solution. We do our best to resolve any issue. So please talk with us and we will not let you down. FEEDBACK IS VERY IMPORTANT TO US.