Precision Live Center MT3 Morse Taper 3 Medium Duty Lathe Live centers MT3 Max load: 660 lbs ; Max speed (RPM): 3,000 Made of hardened steel and ground for high accuracy ; Accuracy: 0.000197" ; Center Point: 60 degree. Dust and liquid proof seal for long service life.; Designed for medium speed medium load lathe. Quantity: 1; Weight: 2.35 lbs ; Carbide-tipped center point to achieve high abrasion resistance.