Suitable for female valves with a diameter of 3.0 ± 0.1mm. Internal threaded valve cans can be equipped with external threaded covers. paint normally after tight installation. If there is a leak, other sizes are required. Please measure carefully before purchasing. Package Included: 20 PCS Paint Cap. Save your cans and your time fumbling around for the right cap.Fit for Paint Caps for Home Improvement, Paint Art, Street Art Tips. The width changes subject to the distance it is used from the object being coated,not a fixed size.For skinnier lines, from a closer. paint caps fit Female Cans., Manufacturer: Ounfhtrttk