SIZE* Thickness 1.2mm / inner diameter 6mm [PG-22-09] Thickness 1.2mm / inner diameter 8mm [PG-22-10] Thickness 1.2mm / inner diameter 10mm [PG-22-11] Thickness 1.2mm / inner diameter 12mm [PG-22-12] Thickness 0.8mm / inner diameter 6mm [PG-22-01] (+$1.72) Thickness 0.8mm / inner diameter 8mm [PG-22-02] (+$1.72) Thickness 0.8mm / inner diameter 10mm [PG-22-03] (+$1.72) Thickness 0.8mm / inner diameter 12mm [PG-22-04] (+$1.72) Thickness 1.0mm / inner diameter 6mm [PG-22-05] (+$1.72) Thickness 1.0mm / inner diameter 8mm [PG-22-06] (+$1.72) Thickness 1.0mm / Inner diameter 10mm [PG-22-07] (+$1.72) Thickness 1.0mm / inner diameter 12mm [PG-22-08] (+$1.72) Thickness 1.6mm / inner diameter 6mm [PG-22-13] (+$1.72) Thickness 1.6mm / inner diameter 8mm [PG-22-14] (+$1.72) Thickness 1.6mm / Inner diameter 10mm [PG-22-15] (+$1.72) Thickness 1.6mm / Inner diameter 12mm [PG-22-16] (+$1.72)