Shower Door Roller Set - Includes two rollers per lot: one upper part roller and one lower part roller, designed for double shower door systems - Purpose: replaces worn or damaged rollers to restore smooth, quiet door operation - Compatibility: suitable for most shower doors that use an upper and a lower roller on the track - Material and build: nylon roller for durability and reduced wear on tracks - Size and options: - Roller thickness: 6 mm - Inner diameter (bore): 5 mm - Outer/overall roller diameter options: 20 mm, 23 mm, 25 mm, 27 mm - What you get: one upper part roller and one lower part roller per lot - Use scenarios: - Home bathroom repair: replace aging rollers to regain easy sliding and reduce door sag - Bathroom renovation or maintenance: stock part for quick replacement of worn hardware on sliding doors - Commercial settings or service calls: convenient spare parts for hotels or facilities with double door shower systems - Installation notes: measure existing roller size to select the correct diameter option and ensure the 5 mm bore matches the track fittings - Performance focus: durable nylon construction provides reliable rolling action, reduces friction, and helps maintain smooth door movement over time