ITEM NAME:Stainless H-Shape Bearing Fixed Pulley for Guide Wheel/Sliding Door Newest Use.ï ¼Ë†2ï ¼â€°[Features] Built-in double bearings, with good sliding and stability, can reduce vibration, reduce noise, and run smoothly. ï ¼Ë†4ï ¼â€°[Installation] The pulley is silent, no noise, stable and labor-saving.
