Adder section lets you expand your HON BL Modular Tables. This flexible design is both practical and stylish for maximum comfort, support and functionality. Heavy-duty, 1-1/8" laminate top and slab bases provide a solid, sturdy foundation. Easy-to-clean, Espresso laminate is scratch-resistant, spill-resistant and stain-resistant. Steel understructure offers additional tabletop support. Slab base is reinforced with double stretcher rails and steel tubular support. Adjustable leveling guides assure proper installation and maintenance even on uneven floors..