[PACKAGE]4 x 45-Degree Tire Valve Stem Extender, [FUNCTION]Allows you to inflate your tires at a better angle if you can't move the air pump or wheels [UNIVERSAL]With standard connector, which can inflate any tire, regardless of models [MATERIAL]Made of H62 brass material which consist of 62% copper, thickened tube with leakproof rubber ring inside for stable performance [SERVICE]If there's any quality issue, please to let us know; Product Specifications: Color: Angle: 45 Degrees Material: H62 Brass & Rubber Overall: 37x32x10mm/145"x126"x039" (L*W*H) Thread Diameter: 75mm (5/8") Compatible with: standard American tire valves Package Content: 4 pieces of tire valve adapter Product Operation: 1 Remove the endcap and screw the valve stem extender on your tire valve; 2 Connect the inflation hose to the other end of the valve stem extender; 3 Now you can inflate your tire conveniently with the 45-degree adapter Notice when operating: 1 Please be sure to tighten the thread of the rotating part when you install the valve angle extension on the valve core so that there is no air leakage 2 Rotate the valve extension part when you are adjusting the angle; After the angle adjustment is over, please tighten the rotating thread to the maximum 3 The threaded head on the valve extenders is screwed on the existing valve stem, and the included end cap replaces the existing valve stem cover Package Contents: Package Content: 4 pieces of tire valve adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.