Compatibility and Installation: These paint caps are designed to fit female valves with a diameter of 3.0 0.1mm. They are compatible with internal threaded valve cans using external threaded covers. a tight installation for optimal performance; if leakage occurs, a different size may be required. Adjustable Width: Achieve varying line widths with these versatile paint caps. The width of the adjusts based on the distance from the target . For finer lines, maintain a closer distance. This feature allows for precise application whether you're detailing or covering large areas. Clog Prevention Solution: Easily restore the functionality of clogged paint cans with these replacement caps. A straightforward fix, these caps help you continue your painting projects without the need for new cans, making them a cost-effective and convenient solution. Versatile Options: With sizes ranging from 0.2" to 7", these paint caps support a wide array of spraying needs. From drawing thin, fine lines to applying smooth, straight layers, these caps enable quick and even coloring across both large surfaces and intricate details. Color: White Material: plastic Package Contents: 27pcs Spraying Paint Caps & Nozzles Kit 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.