Features: - Easy to use Adjust the height and angle of the door. - These shower door rollers can be used in quarter circles, curved showers or straight sliding doors. - The shower door roller is adjustable and easy to move. Install and the shower door is smoother than before, no shaking or screaming! - No need to search around in sheds and plumbers or buy new shower doors. - Kit Includes 4 upper adjustable shower door rollers and 4 lower shower door rollers. - Supplied with screw cap screw. - The spring is also suitable for too curved shower doors. - Designed with nuts and plastic covers. Note: Please check the size of the shower door glass hole before purchasing. Packing : 4x Shower door rollers top 4x Shower door rollers top shower bottom