What is a 4-post shelving unit?

A 4-post shelving unit uses four vertical corner posts connected by horizontal shelf clips or beams, with shelves spanning the posts at adjustable heights. These are the most common format for commercial archive and storage shelving, offering load capacities of 300–1,000 lbs. per shelf and heights up to 144 in. OfficeFurniture2go.com offers 4-post shelving for commercial storage rooms — call 1-800-460-0858.