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. 3 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. 3 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. Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues. We care about our valued customers, and will always try to help you. 0-150mm 6inch Digital Electronic Gauge Vernier Caliper Micrometer Measuring Tool. Mig Welding Wire ER70S-6. 045 Mild Steel MIG Welding Wire Spool. 4 Piece 4 Inch Heavy Duty Caster Set Wheels Fits For All Swivel & Brake Casters. ER11/ER16/ER20/ER25/ER32/ER40 Spring Collet Set For CNC Milling Lathe Machine. 4″ /5″ /6″ /8″ Bench Vise w/ Anvil Swivel Base Heavy Duty Vice Multipurpose. 2Pcs BXA 250-201T Oversize 3/4 Turning Quick Change Tool Post Holder Lathe. 20 Poultry Plucker Machine Chicken Plucker Machine Stainless Steel De-Feather. Heavy-Duty Hydraulic Pump 5179722 for New Holland TT75 3010S 4010S 4430. 60 Pack Saw Blade Oscillating MultiQuick Release Saw Blade For Cut Soft Metal. Manual Lever Chain Hoist 0.75Ton 1650 Lbs Capacity 5Ft/1.5M Come Along G80 Chain.