To install the rollers, first attach them to the door's brackets, making sure they fit into the track. These rollers are designed to provide a smooth and quiet operation, making them ideal for both new installations and as replacement parts for existing shower doors. Crafted with precision, they ensure durability and performance. The rollers are easy to install and come with a 19mm copper axle and screws, ensuring a secure fit. Whether you're upgrading your bathroom or replacing worn-out parts, these rollers offer a reliable solution for maintaining the functionality and aesthetics of your shower doors. Each pack includes , providing everything you need for a complete installation. Features -Color:Multi -Material:Copper,nylon,stainless steel -Size:2.00X2.00X1.00cm/0.79X0.79X0.39in -Smooth sliding: achieve effortless sliding of your shower door with our topnotch rollers, making your bathroom more userfriendly and enjoyable. -Robust construction: the large flat wheel design provides durable stability and longevity, offering dependable performance over time. -Quiet operation: the arcshaped pulley ensures smooth, movement, protecting your floor from scratches and maintaining a quiet environment. -Multipurpose use: ideal for bathrooms, shower rooms, and other locations, fulfilling various needs and enhancing practicality. -Modern aesthetics: the glass sliding door rollers feature a contemporary and stylish design, adding sophistication to your home decor Package list: 4pcs rollers, 4pcs screws sliding door with pulley