L: 76.9
OD1/ID1 x t1: 70.00/66.00 x 2.00
OD2/ID2 x t2: 42.00/38.00 x 2.00
OD1/ID1 x t1: 70.00/66.00 x 2.00
OD2/ID2 x t2: 42.00/38.00 x 2.00