Ceiling mounting size 4

Made of steel S235JR, galvanized
Dimension a: 138 mm
Dimension a1: 164 mm
Dimension b: 102 mm
Dimension b1: 210 mm
Dimension d: 22 mm
Dimension h: 104 mm
Dimension l: 110 mm
Dimension l1: 100 mm
Dimension s: 8 mm
Dimension s1: 10 mm