S2569-1 (Plain shank)

Center : 7.5mm

Side band diamond : 

1.9mm x 12

1.3mm x 2

S2569-3 (Diamond shank)

Center : 7.0mm

Diamond : 

1.4mm x 8

1.5mm x 4

1.6mm x 2

1.7mm x 2

*Side band is compatible with S2569-2

*Plain side band compatible with S2569-1 ~ -3