Made for commercial use, Brookside Design manufactures a sturdy line of products with the Contractor, Architect and Engineer professional in mind. Brookside Design manufactures blueprint storage racks, hanging drawing clamps, drawing racks, blueprint stands, blueprint wall racks, blueprint organization products, and engineering drawing organizers. These products could be considered a Safco or Mayline Alternative, or Safco Mayline Replacement Product or Brand. The clamps, hangers, tee bolts, wing knobs, and stands are all interchangeable with Safco and Mayline brands.