Prime-Line N 6564 Door Guide, 4-1/4 in L x 3/4 in W x 7/8 in D Dimensions, Nylon, White, Floor, 2/PK

This is a three-piece adjustable floor guide with adjustable slide sections. It features a top, center mounted, adjustable, tandem roller assembly. The 1 in flat nylon rollers are attached to a stamped steel tandem housing mounted on top of a 5/16 in threaded steel rod. Used on Like Closet Doorrs 3/4 to 1-3/8 in THK, it threads into a top bracket like Prime-Line part N 6797. Made of white nylon, the 7/8 in H guides. universal design used by a variety of Closet Doorr manufacturers.