Check the listing for details. 20 Pack High Temp Silicone Plug T Shaped Solid Silicon Stopper Black 10x8x7.5mm. Condition: New. Listed at 14.08 USD. T Type silicon stopper is suitable for Powder Coating, Painting, Anodizing, Plating & Media Blasting,waterproof plugs, sealing plugs, pipe holes, test tube plugs, rubber bulkheads, caps, cylinder plug heads, threaded rubber plugs.High Temp Silicone Plug,total Size:10x8x7.5mm/0.39x0.39x0.29 inch(OD x Height x Mount Dia);Mount hole diameter:7.5mm/0.29 inch;Material:rubber;Color:Black;In the package of:20pcs x Silicone Plug;It is made of silicon material,High elasticity, good insulation and sealing performance, high temperature resistance ,acid and alkali resistance, will not dissolve and swell in acidic liquids;Fingertip pressure snap-locks into its mounting hole.Due to manual measurement, the size may have an error of +/- 1-2mm. And a slight deviation in color due to different batches.