Feature:1. WEAR RESISTANT NYLON: Made of good quality nylon material, smooth sliding without jamming, wear resistant and durable2. UP OR DOWN ORIENTATION: Slide gate guide post roller is easy to install and convenient to use, the orientation can be up or down3. FOR SLIDING DOORS: Suitable for all types of sliding doors, universal and versatile, need to be installed with brackets4. STANDARD M12 THREAD: Total length is 14cm, working length for 100mm, drum diameter is 48mm, come with M12 thread5. FOR REAR POST WALL: Slide gate guide post roller can be installed on rear post wall, possess stable structure and long service lifeSpecification:Item Type: Slide Gate Guide Post RollerMaterial: NylonOverall Length: Approx. 14cm / 5.5inWorking Length: Approx. 100mm / 3.94inDrum Diameter: Approx. 48mm / 1.89inThread: M12.Package List:1 x Slide Gate Guide Post RollerNote:Fit size before use.