【Silicone Hole Plug】 Material: Silicone Outer Diameter: 19mm / 0.75" Height: 11.5mm / 0.45" Thickness: 2.5mm / 0.1" Width: 6mm / 0.24" Mounting Hole Diameter: 15mm / 0.59" 10 pieces per pack Made of silicone material, it has high elasticity, good insulation and sealing properties, pressure resistance, shock absorption, anti-slip properties, wear resistance, high-temperature resistance, and acid and alkali resistance. It does not dissolve or swell in acidic liquids. Round silicone plugs are suitable for instruments, the aviation industry, transportation, radio motors, cosmetic manufacturing, furniture manufacturing, waterproof plugs, sealing plugs, test tube plugs, rubber bulkheads, caps, cylinder plug heads, and screw-in rubber plugs, etc. * Immediate purchase welcome, silent purchase at midnight OK ◎ * Please contact us before rating if there are any issues. ・Unused, but opened for photography, so listed as "Like New". #Yue's Product List is here ✨ ☜ 43-34