Features 1、WEAR RESISTANT NYLON: Made of good quality nylon material, smooth sliding without jamming, wear resistant and durable 2、UP OR DOWN ORIENTATION: Slide gate guide post roller is easy to install and convenient to use, the orientation can be up or down 3、FOR SLIDING DOORS: Suitable for all types of sliding doors, universal and versatile, need to be installed with brackets 4、STANDARD M12 THREAD: Total length is 14cm, working length for 100mm, drum diameter is 48mm, come with M12 thread 5、FOR REAR POST WALL: Slide gate guide post roller can be installed on rear post wall, possess stable structure and long service life Specification Item Type: Slide Gate Guide Post Roller Material: Nylon Overall Length: Approx. 14cm / 5.5in Working Length: Approx. 100mm / 3.94in Drum Diameter: Approx. 48mm / 1.89in Thread: M12 Package List 1 x Slide Gate Guide Post Roller