Masking Cap For M18 Screws, ID 17.4mm x OD 20.4mm, 38mm Long, Silicone (Milky White), Pack of 50, HLAS174-2-B
SGD $108.90
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.