Product Overview
Round silicone plugs are suitable for a wide range of applications, including instrumentation, aerospace, transportation, radio motors, cosmetic appliances, furniture manufacturing, and more. They function effectively as waterproof plugs, sealing plugs, test tube plugs, rubber partitions, caps, cylinder plugs, and threaded rubber plugs. Common uses include wash basins, kitchen sinks, bathtubs, foot basins, anti‑theft door screw holes, bed leg holes, cabinets, table and chair legs, brackets, and door panels.

Package Includes
- Material: Silicone
- Color: Black
- Outer Diameter (Mount Hole Diameter): 39.3mm / 1 1/2 inch
- Inner Diameter: 28mm / 1.1 inch
- Head Diameter: 45mm / 1.77 inch
- Plug Head Height: 12mm / 0.47 inch
- Plug Head Width: 3.5mm / 0.14 inch
- Quantity: 4 x Hole Plugs

Key Advantages
Made from high‑quality silicone, these hole plugs offer high elasticity, excellent insulation, and reliable sealing performance. They are resistant to compression, shock absorption, anti‑slip, wear, high temperatures, and both acid and alkali. The silicone material will not dissolve or expand in acidic liquids, and will not crack, shrink, harden, or break over time.

Usage Instructions
Simply press the plug with your fingertip and snap it securely into the mounting hole.

Note
Due to manual measurement, please allow for a tolerance of +/- 1‑2mm. Slight color variations may occur between different batches.