Conical Plug For M12 to M14 Screws, Ød9.5 to ØD14.3, 25mm Long, Silicone (Blue), Pack of 10, HBAS143-P
SGD $14.00
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.