Glass Wooden Sliding Door Hanging Wheel Roller Pulley Block 4 Wheels<br>Description:Material: Stainless steel + nylonBearing weight:60-80kgApplication range:wooden\/glass door，industury<br>Specification:Durable and excellent workmanshipBall bearing structureNot easy derailmentSliding smooth and muteSliding Door perfect accessories<br>Package included:1X Full set screws+Spanner2X Roller Pulley<br>                     2X Stopper