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: Convex - Protruding
- Top Guide25140
- Bottom with Convave Roller
25165 - Bottom with Convex / Protruding Roller
Priced and Sold in Pairs.