Premium 12mm Solid Black Silicone Rubber Stopper Hole Plug
Durable high-grade silicone rubber construction ensures long-lasting flexibility and resistance to extreme temperatures (-60°C to 230°C). Precision-molded for a snug, leak-proof fit in 12mm holes, ideal for sealing, insulation, or vibration damping. Non-toxic, odorless, and UV-resistant, suitable for industrial, automotive, lab, or household applications. Smooth surface prevents dirt buildup, while the solid design withstands high pressure without deformation. Sold in bulk at unbeatable wholesale prices—perfect for large-scale projects or restocking. Global shipping available with guaranteed quality and competitive pricing. Upgrade your sealing solutions with this reliable, multipurpose plug.