descriptions High quality : Adapts to; different types of showers. Guaranteed your doors glide more comfortably No decompression and no waste of money: have you bought? a sliding system and it is broken ? You think with horror that you now have to buy a new one. Forget ! There are replacement shower door rollers that will fit your shower door. any sliding system in your home. If you are having difficulty slide shower doors, use this quick fix and don't waste your money Use anywhere: shower door slides for showers, massage cabins, bathtubs, jacuzzis and even for furniture accessories. Make sure the door(s) open easily and smoothly. Replace your broken system. Quality shower rollers superior Rolling component: smooth rolling of the door with a slight forward or backward movement without effort for shower cabins, hydromassage boxes clearly performs the task assigned to them, distributes the mass of the glass, controls the movement in the given direction. This gives the product even more durability. and a longer lifespan the wheel: 19 mm in diameter Quantity delivered: 4 pieces (send the screws) becomeveryrich