Skelang Slide Gate Guide Roller, 6" UHMW Hard Nylon Guider with Thickened Bracket, Adjustable Sliding Gate Support Assembly for Preventing the Gate from Falling

MATERIAL: The roller is made of uhmw hard nylon which is wear resistant; the mounting bracket is made of AISI 1045 steel with black powder coat finish, and sturdy | SIZE: Roller measures 2-1/2" in diameter by 6" in length, mounting bracket measures 5.2"x4" (L x W) and length of shaft measures 8.9"; adjustable width between two rollers is 3.1" | SMOOTH MOVEMENT: Precise processed by machine and featuring sealed bearings, the slide gate guide roller can prevent the gate from tipping over from tracks and help slide gate stably and smoothly | EASY TO INSTALL: The gap between two rollers is adjustable and it's easy to install; slide gate guide roller can be bolted with 1/2" bolts or welded onto the post (Bolts are NOT included) | GREAT FOR: It can be used on a heavy duty sliding gate and rolling fence