PT-1.5/6-PVH-3.5 PT1.5/6-PVH-5.0 PT-1.5/7-PVH-3.5 PT1/2 (D=10) PT-1/2-D10 PT1/4 D=3.2 PT1/4 D=4.8 PT1/4 D=6.4 PT1/4A PT-1/4-D=3.2