3 Kinds of Degrees:The valve extender includes three angle extenders, 45 degrees, 90 degrees and 135 degrees, and they are all equipped with rubber seals to ensure airtightness. Quality and Durability:Made of copper, nickel-plated on the surface, very solid, has no rust or erosion, thus providing a long service life. Easy to Inflate :This air valve extension can be screwed on the valve and the tire is normally inflated through the tire extender. Also easy to carry, you won't worry about your trip anymore! Universal Use:This tire extender fits all passenger cars, trucks, motorcycles, trailers, RVs and recreational vehicles with standard tire valves. Package Included:6 Pieces Tire Valve Adapter( 2 x 45 Tire Valve Extension, 2 x 90 Tire Valve Extension, 2 x 135 Tire Valve Extension.)< /p>