Description: Food grade silicone plugging plug（Blanking Seal Bung）Material：Silicon RubberColour：BlackSize：9mm – 101.5mmA single silicone hole plug used for sealing and protecting holes. Designed for durability and flexibility, these hole plugs are suitable for a variety of applications, from automotive and electronics to industrial and household uses. They are made from premium quality, flexible, food grade silicone. Plug specifications are shown in table below and description images. Size is the external diameter of the plug insert (dimension A). Features：Made from high quality, flexible, food grade siliconeTemperature resistant from -40˚C to +300˚CWaterproofCorrosion resistantAcid / alkali resistantUV ResistantDurable and long lastingEasy to fit and removeFlexibleHardness range Shore 40-50T-Type ShapeNon ConductiveSleek modern aesthetic designReusable Example uses：PVC pipesMetal pipes (steel, aluminium etc)Test tubesVarious metal / wooden / plastic plate holesAutomotiveHome appliancesElectronic devicesDIY projectsAlso useful as spray plugsAnd much more Kind Reminder：The Dimensions In The Specification Options Are All Size A Shown In The Figure, Which Is The Size Of The Small Rubber Plug In The Hole. When Selecting The Rubber Plug, Try To Choose A Size One Size Larger Than The Actual Measured Aperture To Achieve The Sealing Effect And Not Fall Off.All Parameters Are Manually Measured, With Slight Errors. Please Refer To The Actual Product For Accuracy!r