Product Descriptions: Rugged plastic bins with a capacity of up to 350 pounds per shelf ensure that components are well-organized and easily accessible. The gray enamel finish resists rusting or corroding. 12-HQSB100, 8-HQSB101, 5-HQSB102, 4-HQSB107, 3-HQSB109 fit across a standard 36"W x 12"D shelf. Alternatively, 8-HQSB103, 5-HQSB104, 4-HQSB108, 3-HQSB110 can be accommodated on a 36"W x 18"D shelf. The bins come in various colors: Blue, Yellow, Red, Green, Ivory, or Black. - This cost-effective storage system consists of sturdy Plastic Shelf Bins and a standard 36"W shelving unit. - Quickly locate parts with this efficient bin storage system.