Perfect for upgrading existing shower enclosures or new installations , these top bracket rollers ensures your glass doors maintain levels alignment and smooth operations during daily use This complete set of 4 M 6053 frameless shower door rollers features premium chromes aluminum construction for durability and resistance , ensuring enduring for your shower enclosure Engineered with a robust ball bearing mechanism and elegant chromes finish , these shower door rollers combine functionality with aesthetic appeal for modern bathroom upgrades Each frameless shower door roller includes an adjustable bracket with diagonal installation slots to accommodate 1 / 4 inch thick glass panels , along with three mounting screws and a 3 / 4 inch ball bearing roller for precise installation Ideal for homeowners and enthusiasts seeking reliability shower hardware , these rollers a practical solution for installing or replacing components in frameless shower door, Manufacturer: Zenlir