10pcs Hole Plug 3/16 Inch (6mm) Button Plugs Fit for 4.5mm Hole Snap in Locking Hole Tube Plug Gel Black

Description: Material: Made of silica gel these hole plugs are not only waterproof and dustproof but also exhibit good heat resistance low temperature resistance and durability. Good Seal: With its high resilience and snap-in design the silica gel tube plug ensures a good seal for a wide range of applications. Multiple Use: Good for using as sealing hole plugs waterproof plugs test tube plugs threaded rubber plugs dust proof plugs hole covers etc. Notice: Due to manual measurement please allow a deviation of 1 - 2mm