CXA #4 QUICK CHANGE BORING BAR TOOL POST 250-304. For use with CXA tool posts 250-300 or 250-333. Equipped with a split bushing to accommodate a boring bar of smaller diameter. Holds 3/4″ tool with bushing, 1″ diameter without bushing. Interchangeable with Dorian, Aloris, & Phase II CXA series tool posts. While we guarantee your satisfaction, these especially work best with our matching tool posts. Precision ground and hardened. Completely sealed for maintenance free operation. The Product Has Passed Strict Quality Testing. Durable And Easy To Install And Replace. 5 Pack CXA #4 250-304 Heavy Duty Quick Change Tool Post Boring Bar Holder 13-18. Cost-effective, Good After-sales Service. Quality Assurance For Your Peace Of Mind. 5 PCS QUICK CHANGE BORING BAR TOOL POST Holder CXA #4 250-304 Heavy Duty For Lathe. Pls check your old picture or model when you order it. Sorry for any inconvenience caused. Thank you for your understanding. Quick Change Tool Post. We will do everything we can to give you a satisfying solution. We do our best to resolve any issue. Leaving negative feedbacks and low ratings doesn’t get things solved. So please talk with us and we will not let you down. Metal Cut Off Wheels. 10 Pair 0.0002″ 1/8″ Steel Parallel Set Hardened 1/8″ x 6″ Suit Milling Thin. 5 MATCHED PAIRS ULTRA PRECISION 1-2-3 BLOCKS 23 HOLES MACHINIST 123. ER11/ER16/ER20/ER25/ER32/ER40 Spring Collet Set For CNC Milling Lathe Machine. 32″x2″ Extended Length Auger Drill Bit For Planting Bulb Flower & Garden Plant. 6 Pack E7018 1/8 Inch 10-lbs Premium Arc Welding Rods Carbon Steel Electrode Rod. 6 Pack 11 Inch Carbide Wood Turning Lathe Tools With 4 Extra Replacement Inserts. 3/8Inch-15/8Inch Extension Tool Hydraulic Kit Fit For Copper Tube Expansion New. 1 Pack E6013 1/8″ x 14″ 10 lbs Premium Arc Welding Rods Carbon Steel Electrode. 8 Pack Carbide Tipped Wood Turning Tools Set Lathe Rougher Finisher Tools New. 035 Inch (0.9 mm) 33 Lbs Mild Steel MIG Welding Wire New.