High Quality:Orings made of Fluorocarbon(FKM)75A durometer material,resistant to ozone,weather,oil,acid,alkali,steam,fuels,chemicals and special medium occasions,etc.
Multi size:O-ring ID from 2.57mm to 20.22mm,thickness is 1.78mm,2.62mm,3.53mm,can meet almost all your needs.
Wide Temperature Range:From -26°C to +205°/230°C (-15°F to +400°/440°F).For short working periods it will take even higher temperatures.
Wide Application:Oring use for valves,hose,regulators and cylinder neck.
Handy Packing:Comes with a heavy duty storage case that keeps each size o rings separated and organized,that makes more convenient to carry, select and collect.