1.9mm
Size: 20.2mm*20.2mm*5.9 mm
Hole distance:1.9mm
3.0mm
Dize: 32mm*32mm*6.08mm
Hole distance: 3.0mm
3.75mm:
Size: 38mm*38mm*7.2mm
Hole distance: 3.75mm
5.0mm:
Size: 60.2mm*60.2mm*9.2mm
Hole distance: 5mm