Materials:Constructed from durable stainless steel and ABS plastic for lasting performance.
Versatile Fit:Suitable for 4-6 mm thick glass doors with 12-14 mm open hole size.
Smooth operation: easy to move and slide the shower door, good load-bearing capacity
Easy to install: quick to install, compatible with flat or curved shower enclosures
Set: includes 4 Top wheels and 4 Bottom wheels with screws and bumper blocks