The sliding door and window track pulley features a nylon-coated bearing wheel, designed to ensure smooth and quiet operation. This practical component is ideal for various sliding applications, providing a seamless glide for doors and windows. Its robust construction ensures longevity, making it an for both residential and commercial settings. Features -Color:White -Material:Nylon and steel -Size:3.00X3.00X1.00cm/1.18X1.18X0.39in -Inner Hole Diameter: 8 mm -Outer Diameter: 30 mm -thickness: 10 mm -Nylon and steel materials: made from sturdy nylon and steel, this pulley ensures durability and wear resistance, providing a reliable solution for your sliding doors and windows -Wide application: suitable for use in doors, windows, drawers, and various hardware applications, this pulley meets diverse needs and enhances the functionality of your home or office -Sleek design: featuring a simple and elegant design, this pulley seamlessly blends with various decor styles, adding of sophistication to your space -Universal fit: designed to fit most standard door and window tracks, this pulley ensures compatibility and ease of use, making it a versatile choice for any setting -Easy installation: lightweight and portable, this pulley is easy to install and can be quickly replaced, offering a convenient solution for maintaining your sliding systems Package list: 4 and window track pulleys