Masking Cap For M6 Screws, ID 5.9mm x OD 9mm, 12.7mm Long, Silicone (Green), Pack of 10, HLAS59-3-P
SGD $6.60
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.