SKU:OT-HJWJL-2375 Product Description: Special designed for large, hollow work pieces such as pipe, tube or other material that has a large center hole. Triple ball bearing design. Shaft is made of high quality alloy steel through heat treatment to Rc 60-62. Dust and liquid proof seal for long service life. Product Features: Large diameter: 5-29/32(MT3-150mm) 75 Degree with MT3 arbor. 6 in Bull Nose Live Center Morse Triple Bearing Lathe Centering Tool MT3-150mm. Special designed for large, hollow work pieces such as pipe, tube or other material that has a large center hole. 75 Degree with MT3 arbor. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday. Convenient Use, Easy Operation. Easy installation, Convenient Use, Easy Operation.