Conical Plug For M18 Screws, Ød14 to ØD19, 25mm Long, Silicone (Black), Pack of 10, HBAS190-P
SGD $18.00
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.