Size: Inter Diameter x Thickness x OD x Horizontal width x vertical width
20mm : 3.4mm 26.8mm 41mm 55mm
25mm : 3.8mm 32.6mm 50mm 67mm
32mm : 4.5mm 41mm 61mm 79mm
40mm : 4.5mm 49mm 74mm 96mm
50mm : 4.9mm 59.8mm 95mm 126mm
63mm : 6.2mm 75.4mm 108mm 139mm
75mm : 7.6mm 90.2mm 128mm 166mm
90mm : 8.5mm 107mm 153mm 196mm
110mm : 9.5mm 129mm 182mm 234mm