High quality shower door rollers wheels 1.Certificate: ISO9001:2008 2.Single bearing 3.wheel thickness:26,mm Cheap steel sliding door rollers wheelWe are the professional manuifacture of door rollerusing forger, stamping and maching technical1.Material: Steel2.Finished: Znic plated3. inside support with one bearingUnder pulleyBearingsWheel diameter Wheel thickness Net weight ...