Size 1:

Outer Diameter: 8mm
Inner Diameter: 4mm 
Thickness : 0.2mm

Size 2: 

Outer Diamter: 10mm 
Inner Diameter: 5mm 
Thickness : 0.2mm

 

Size 3: 

Outer Diamter: 10mm 
Inner Diameter: 6mm
Thickness : 0.2mm

 

Size 4: 

Outer Diamter: 10mm 
Inner Diameter: 5.1mm
Thickness : 0.6mm

 

Size 5: 

Outer Diamter: 12mm 
Inner Diameter: 5.1mm
Thickness : 0.6mm

 

Size 6: 

Outer Diamter: 12mm 
Inner Diameter: 6.2mm
Thickness : 0.4mm