Performance Tool W5239 Viton O-Ring Assortment 180 pc

180-piece O-ring assortment made from a special Viton polymer that offers excellent heat resistance (up to 400 degrees F). Includes 18 different sizes.

• Constructed of special Viton polymer which offers excellent high heat resistance up to 400°F.

• Resistant to aggressive fuels and chemicals.

• 18 different sizes in a lightweight, convenient storage kit.

• Compatibility with biodiesel, and ethanol; high resistance to permeation and chemical attack by alcohol, pure ethanol and blends of ethanol with hydrocarbon fuel.

• High Tensile Strength. Shore A durometer (hardness) 70