Product info:
Type: Normal Series / Bearing Series / Double Roller Series
Material: Cold-rolled steel 
Color: As picture show
Pulley Material: Nylon
Screw-30mm-5mm
-    Anti Jump Roller
-    Sliding Door Roller. 
-    Made with quality bearing. 
-    Provides smooth sliding for furniture door.
-    Sturdy and metal body structure.
-    Holds up to 50kg per set. 
-    Height adjustment for longer durability. 
-    1 set for 1 sliding door.
-    East to fix. 
-    100% Brand New and in Good condition. 
-    Ship from Malaysia.