Ergonomically designed small parts storage bins provide high visibility and accessibility. Spring-loaded windows keep bins open while in use, then bins snap securely closed with audible click. Virtually unbreakable, injection-molded bins are made of antistatic clarified polypropylene which inhibits exterior dust. Includes labeling area (labels not included). Vacuum-molded frame constructed of high-quality ABS plastic. Includes screws and anchors for wall mounting. 5-lb. capacity per bin. No assembly required.