ZVD 8x Adjustable Roller Dual Roller Caster Wheel Shower Door Bathroom 25mm

Set of 8 shower door rollers (4 upper and 4 lower). Roller diameter: 25 mm. Roller width: 6 mm. Minimum hole size in glass: 11 mm. Maximum tempered glass thickness: 6 mm. Materials: plastic, nylon, and stainless steel. Supplied with screw covers. Spring-loaded mechanism, also compatible with curved doors. With screws and plastic covers. 【Material】: copper rod + plastic + nylon wheel 【Glass size 】5MM. If you need to clamp other sizes of glass, you just need to cut the glass tank connecting belt! [Features] Upper wheel: Adjustable, the wheel can swing left and right. The lower wheel has a spring and swings left and right. [Size] Upper wheel: Height: 35mm, Width: 27mm. Wheel diameter: 25MM. Lower wheel: Height: 33MM, Total height with knobs: 42MM. Width: 27MM. Wheel diameter: 25mm. 【Hole spacing/opening 】Glass margin: 19mm. Aperture: 10MM -12MM. Pulley diameter: 25mm Reminder: You can adjust the pulley, turn the screw clockwise or counterclockwise with a screwdriver, the glass size can