Conical Plug For M3 to M4 Screws, Ød1.2 to ØD5.5, 38mm Long, Silicone (Pink), Pack of 10, HBAS55-P
SGD $4.00
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.