Introducing our versatile set of 10 black silicone hole plugs, designed specifically to fit 4.5mm holes. Each plug measures 3/16 inch (6.1mm) in top diameter, ensuring a snug and secure fit. The bottom diameter of the plugs is 0.38 inches (9.7mm), with a slot width of 0.08 inches (2mm) and an overall height of 0.47 inches (12mm). These plugs are crafted from high-quality silicone, providing a waterproof and dustproof seal that is ideal for a wide range of applications.

These silicone hole plugs are not only waterproof and dustproof but also exhibit excellent heat resistance and low-temperature stability. The unique snap-in design ensures that these plugs maintain a reliable seal, making them suitable for various uses including:

• Sealing hole plugs
• Waterproof plugs
• Test tube plugs
• Threaded rubber plugs
• Dustproof plugs and hole covers

Each package includes 10 hole plugs, providing great value and convenience for your sealing needs. Please note that due to manual measurement, a slight deviation of 1-2mm may occur.

Whether you’re working on a DIY project or need reliable sealing solutions for your laboratory or workshop, these silicone hole plugs are an essential addition to your toolkit. Their durability and functionality make them a preferred choice among professionals and hobbyists alike.