8x Adjustable Dual Roller Shower Door Wheels for Bathroom 25mm

General Description Set of 8 shower door rollers, including 4 top rollers and 4 bottom rollers. These rollers are designed for smooth and quiet operation, with a spring mechanism that also makes them compatible with curved doors. Technical Specifications: Roller Diameter: 25 mm; Roller Width: 6 mm; Minimum Hole Size in Glass: 11 mm; Maximum Tempered Glass Thickness: 6 mm; Top Wheel Height: 35 mm; Top Wheel Width: 27 mm; Bottom Wheel Height: 33 mm; Total Height of Bottom Wheel with Knobs: 42 mm; Bottom Wheel Width: 27 mm; Hole Spacing: 19 mm glass margin, 10 mm to 12 mm opening; Suitable Glass Thickness: 4 to 6 mm glass; Glass Hole: 9.5 mm to 14 mm. Compatibility and Accessories: Supplied with screw covers; Screws and plastic covers included. Installation: To adjust the glass size, simply cut the glass tank's connecting band. The top wheel is adjustable and can Pivot left and right. The lower wheel pivots from left to right thanks to its spring. Use: The rollers allow for smooth movement of the shower doors. Can be adjusted by turning the screw clockwise or counterclockwise with a screwdriver.