(Center Pinch Design)- With String
Size:86mm,82mm,77mm,72mm,67mm,62mm,58mm,55mm,52mm,43mm,40.5mm,39mm,37mm

(Side Pinch Design)- Without String
Size:105mm,95mm,86mm,49mm,46mm,40.5mm,37mm,34mm,30mm,27mm,25mm