These 6-5/8"W polypropylene dividers allow you to split up different items within a bin. For use with shelving systems that have bins measuring 4"Hx6-5/8"Wx11-5/8"D (Items 120956, 120962, 121021, 121027 & 121033) or 4"Hx6-5/8"Wx17-7/8"D (Items 120968 & 120985); shelving systems all sold separately. Black color. Sold as a package of 50 dividers. USA made.