Alvin - Wire Bin Roll File - Step-Design - 14 x 21 x 32 Inch - The Alvin Step-Design Wire Bin Roll File has a unique stepdesign base that includes twentyfour 3-1?8 inch x 3-1?8 inch openings for easy access to rolled maps, plans, drawings, and tubes. The four swivel casters give it high mobility. The Step-Design Wire Bin Roll File is constructed of white plasticcoated heavygauge steel rods. Includes customfitted bottom dust protector. Overall dimensions: 32 inch height x 21 inch width x 14 inch diameter. Assembly required. Shipping weight 15 lbs. Alvin is one of the primary sources for drafting supplies and drawing equipment in the country. Creative Coldsnow is a pround retailer of Alvin graphic arts, drafting and fine arts products.