Conical Plug For M16 Screws, Ød12.7 to ØD16.7, 25mm Long, Silicone (Milky White), Pack of 200, HBAS167-B
SGD $234.00
Conical plugs can be used for a range of hole diameters. Choose one with the right top and bottom diameters to fit the hole size. Simply leave enough length clearance for easy installation and removal.