1020 4/2,7-1/8 1020 5/3-1/8 1020 6/4-1/2 1020 6/4-1/4 1020 6/4-1/8 1020 6/4-3/8 1020 8/6-1/2 1020 8/6-1/4 1020 8/6-1/8 1020 8/6-3/8