Square edges offer a sleek, modern look Shelves are 3/4in. thick and adjust in 1 1/4in. increments. 4 adjustable leveling glides for stability. Meets and/or exceeds applicable ANSI/BIFMA standards. Meets or exceeds applicable ISTA perfroamnce standards. Simple assembly instructions are included. Backed by The HON limited lifetime warranty. Optional doors sold separately. Greener choice - contains 72% total recycled content with 3% postconsumer recycled content. HON Wood Bookcases part of a large selection of office furniture and business equipment, whether for a home office or traditional office. Made by HON.