Double ceiling fastening size 2, sockets with/without spacing

Made of steel S235JR, galvanized
Dimension a: 146 mm
Dimension a1: 166 mm
Dimension b: 60 mm
Dimension b1: 194 mm
Dimension d: 13 mm
Dimension d1: 8,5 mm
Dimension h: 61 mm
Dimension l: 80 mm
Dimension l1: 60 mm
Dimension s: 5 mm
Dimension s1: 6 mm
Dimension x: 62 mm