8 shower door rollers of 23 mm.

shower door rollers (4 top and 4 bottom rollers). Screw covers included. Spring mechanism - Also compatible with curved doors. Design with plastic screws and covers. Composition: plastic, nylon, and stainless steel. Roller width: 6 mm. Minimum hole size in glass: 11 mm. Maximum glass thickness: 6 mm. These individual rollers are suitable for shower doors where the center of the hole is 18 mm from the edge of the glass. 4 shower door rollers (4 top and 4 bottom rollers). Screw covers included. Spring mechanism - Also compatible with curved doors. Design with plastic screws and covers. Composition: plastic, nylon, and stainless steel. Wheel dimensions (diameter x thickness): Roller diameter: 23 mm - Roller width: 6 mm. Minimum hole size in glass: 11 mm. Maximum glass thickness: 6 mm. Glass thickness: 4 to 6 mm. Compatible with most shower enclosures, shower cabins, and sauna cabins. These individual pulleys are suitable for shower doors where the center of the hole is 18 mm from the edge of the glass. Contents: 8 shower door pulleys: 4 upper pulleys and 4 lower pulleys.