Conical Plug, Ød0.8 to ØD2.5, 16mm Long, Silicone (Yellow), Pack of 10, HBAS25-P
SGD $3.00
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.