Uxcell Silicone Snap in Locking Hole Plugs for Kitchen Bulkheads Waterproof Sealing Plugs 4mm/0.16 Inch Grey,20PCS

What is this?
Round silicone plugs is suitable for Instrument and meter,aviation industry,transportation, radio motors,make up appliances, furniture manufacture and general light engineering,etc.

Is there any advantages of the product?
It is made of silicon material,High elasticity, good insulation and sealing performance, compression resistance, shock absorption, anti-slip, wear resistance ,high temperature resistance ,acid and alkali resistance, will not dissolve and swell in acidic liquids;

How to use it?
Fingertip pressure snap-locks into its mounting hole.

What should I notice?
Due to manual measurement, the size may have an error of +/- 1-2mm. And a slight deviation in color due to different batches.