L: 7
OD1/ID1 x t1: 23.00/20.00 x 1.50
OD2/ID2 x t2: 19.00/16.00 x 1.50
OD1/ID1 x t1: 23.00/20.00 x 1.50
OD2/ID2 x t2: 19.00/16.00 x 1.50