Made of nylon and copper with good elasticity and wear resistance, these shower door rollers are corrosion resistant, rust proof, and of stable quality, ensuring a long service life. With a wheel diameter of 25mm and a thickness of 5.5mm, these rollers are suitable for glass doors with a thickness of 4-6 mm. The total length is approximately 33mm, and it is recommended for glass door openings of 10-12mm. These rollers are easy to install and maintain, making them perfect for DIY replacement of shower door knobs. They can be simply disassembled and replaced with new rollers using a screwdriver. They provide a smooth and noise-free sliding experience when opening the shower door. These rollers are versatile and can be used for shower doors, massage cabins, bathtubs, Jacuzzis, or any other furniture fittings. They are suitable for most Shower Enclosures, Shower Cabins, and Steam Cabin Enclosures. This package includes a set of 8 rollers, which are perfect spares or replacements for worn-out rollers. Keep your shower doors in top condition with these high-quality rollers.