MT1 Wood Lathe Live Center Set Morse Taper 1 for Wood Lathe Morse Taper 1, MT1 Shank. Shaft is made of alloy steel through heat treatment to Rc 60-62. MT1 L1: 69, L2: 74, L3: 74, L4: 91, A: 12.065, B: 56 Designed for wood lathe in medium speed and medium load environment. Dust proof seal preventing cutting liquid and dust enter into bearing thus prolong service time.