MC 1.5/18-G-3.81 MC 1.5/18-ST-3.5 MC 1.5/19-G-3.5 MC 1.5/20-ST-3.81 MC 1.5/2-G-5.08 MC 1.5/2-ST1-5.08 MC 1.5/3-G-5.08 MC 1.5/3-ST1-5.08 MC 1.5/4-G-5.08 MC 1.5/4-ST1-5.08