Adjustable steel housing with non-ball bearing plastic roller
Used on Cox 21 and 22 series mirror door systems. Bi-Pass Sliding doors
Part may be stamped with numbers 21-717, 21-767, 21-718.
Roller Edge Type: Concave
There is another roller that is convexed ( protrudes)
Related Mirror Closet Door Hardware:25120
- Top Guide
25140 - Bottom with Convave Roller25165
- Bottom with Convex / Protruding Roller
Priced and Sold in Pairs.
This product is similar to or the same as the following part numbers in these brands:
Prime-Line Products: N 6817
Strybuc Industries: 3-227