Quick Change Tool Post Sets(USA STYLE), Wedge Type Toolpost sets(6 Piece Sets). Each set consists of one Wedge type tool post and one of each of 5 tool holders. The Rockwell Hardness of the tool post is HRC 40 – 45; The Rockwell hardness of the tool holder is HRC 44. All parts are hardened, ground and completely sealed for maintenance-free operation. Quick change QC tool post sets advanced design provides built-in quick tool changing versatility with positive rigidity to meet the most exacting working tolerances. Quickly and easily installed on an engine bench or turret lathe quick change QC tool post sets perform a wide range of operations from fine precise work to heavy-duty cutting. Maximum rigidity for chatter-free performance. Quick change QC tool post sets are interchangeable with all industry-leading brands by series. Aloris, Phase II, Dorian, Yuasa. Suitable for lathe center height 0.70 – 2.20 (From top compound surface to lathe centerline), such as. 13″, 14″ & 1307. 11, 12 & 13. And many other important lathes. For Lathe Swing 10”-15′. Tool Bit: 1/4”-5/8′. D: M16(0.63) x1.5. Please note customers may need to machine the base plate to make sure the size could fit their lathe. 10”-15 BXA Wedge Type Quick Change Tool Post 8 Pcs/Set, Extra Holders. 10”-15 BXA Wedge Type Quick Change Tool Post 6 Pcs/Set. 10”-15 BXA Piston Type Quick Change Tool Post 6 Pcs/Set. Style of Quick Change Tool Post. Turning & Facing Holder, 250-201. Oversize Turning & Facing Holder, 250-201T. Boring Turning & Facing Holder: 250-202. Boring, Heavy Duty Holder: 250-204. Universal Parting Blade, 250-207. Discover more products here: Quality Machine Shop. Richmond Hill, ON L4B 1E6. We will choose a carrier unless you indicate a preferred method.