Masking Cap For M4 Screws, ID 3.6mm x OD 6.6mm, 12mm Long, Silicone (Milky White), Pack of 1000, HLAS36-B
SGD $376.20
The most basic masking cap, our GA series is cylindrical and able to protect the most commonly used screw hole diameters. In addition, there is a wide range of sizes to mask even holes with odd sizes.