No time wasted with shims. All working parts hardened and precision ground. Wedge type tool post are precision engineered to assure repeatability accuracy. Wedge type tool post Have the Maximum rigidity to get the chatter free performance. 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. 250-111 Wedge Type Tool Post. 6Pcs Swing Dia 12 AXA Size 250-111 Wedge Type Quick Change Tool Post Set. 250-101 Turning Tool Holder, use tool bit up to 1/2. 250-102 Boring, Turning Tool Holder, use tool bit up to 1/2″ and round shank tool bits up to 7/16″. 250-104 Heavy Duty Boring Bar Holder, use 5/8 and 3/4 shank boring bars. 250-107 Parting Blade Tool Holder, use 1/2 high parting blades. 250-110 Knurling and Turning Tool Holder. Wedge tool post set. Quick Change Tool Post. If there is any fault or problem with the product, please don’t be shy to express it, we will solve it at the first time.