Description: Resist oils, hydraulic fluid and water. Combined by rubber ring and metal ring. JB982-77 Standard Gasket Application: applicable to the oil pipeline system as a medium, for welding, card sets, expansion pipe joint sealing pressure system plug and mechanical device, to prevent oil, fuel, water and drug leakage Material: Rubber and metal Size Chart: 6mm one size: Inside diameter: 6mm, Outside diameter: 12mm, Thickness: 2.5mm 8mm one size: Inside diameter: 8mm, Outside diameter: 14mm, Thickness: 2.5mm 10mm one size: Inside diameter: 10mm, Outside diameter: 16mm, Thickness: 2.5mm 12mm one size: Inside diameter: 12mm, Outside diameter: 18mm, Thickness: 2.5mm 14mm one size: Inside diameter: 14mm, Outside diameter: 20mm, Thickness: 2.5mm 16mm one size: Inside diameter: 16mm, Outside diameter: 22mm, Thickness: 2.5mm 18mm one size: Inside diameter: 18mm, Outside diameter: 25mm, Thickness: 2.5mm 20mm one size: Inside diameter: 20mm, Outside diameter: 28mm, Thickness: 2.5mm 22mm one size: Inside diameter: 22mm, Outside diameter: 30mm, Thickness: 2.5mm 24mm one size: Inside diameter: 24mm, Outside diameter: 32mm, Thickness: 2.5mm 27mm one size: Inside diameter: 27mm, Outside diameter: 35mm, Thickness: 2.5mm 30mm one size: Inside diameter: 30mm, Outside diameter: 38mm, Thickness: 2.5mm Package Includes: 20 x 6mm Gaskets 20 x 8mm Gaskets 20 x 10mm Gaskets 20 x 12mm Gaskets 20 x 14mm Gaskets 20 x 16mm Gaskets 20 x 18mm Gaskets 20 x 20mm Gaskets 20 x 22mm Gaskets 20 x 24mm Gaskets 20 x 27mm Gaskets 20 x 30mm Gaskets Note: Please allow 1-3mm error due to manual measurement, make sure you do not mind before you bid. The colors may be different for the different display, please understand