When your existing shelving system runs out of room, this 4-post single entry adder unit lets you extend your storage capacity without starting over. Designed to connect to a compatible 4-post shelving starter bay, it adds 6 openings across a 36'' W x 10'' D x 76.25'' H footprint, making it a practical solution for file rooms, records archives, libraries, and organized back-office environments where vertical space is at a premium.

At 118 lbs, this is a substantial, well-built unit intended for serious storage applications. The 10'' depth keeps the profile compact while the full 76.25'' height maximizes the usable vertical column of each opening, giving you meaningful capacity without consuming excess floor space.

Single entry adder units are the standard way to grow a 4-post shelving row. Rather than purchasing a freestanding starter bay for every additional section, an adder shares a common upright with the adjacent bay, reducing hardware, saving floor space, and keeping the overall run aligned and stable. This unit fits into that workflow as a direct row extension, suited for environments that need scalable, open-shelf storage for binders, boxes, files, or similar materials. Its 6-opening configuration provides clear, accessible storage across the full height of the unit, and the open 4-post design allows for flexible shelf placement as storage needs change over time.

Key Features:

• Single Entry Adder Configuration: Designed to extend an existing 4-post shelving row by sharing an upright with the adjacent starter bay, reducing cost and floor space compared to adding a full standalone unit.
• 6 Openings: Provides six distinct shelf openings across the full height of the unit, giving you organized, accessible storage for files, binders, boxes, and similar materials.
• Compact 10'' Depth: The shallow 10'' depth keeps aisles clear and suits environments where floor space is limited, such as file rooms, records centers, and office storage areas.
• 76.25'' Height: Full-height design maximizes vertical storage capacity, making efficient use of available wall and aisle space.
• 36'' Width: Standard 36'' bay width integrates cleanly into a shelving row and accommodates common file and binder sizes.
• USA Made: Manufactured domestically, supporting quality standards and shorter lead times compared to overseas alternatives.

This 4-post single entry adder shelving unit is a straightforward, reliable way to grow an organized shelving system one bay at a time. With 6 openings, a compact 10'' depth, and a full 76.25'' height, it suits file rooms, records archives, and storage areas where efficient use of space and clean row organization matter. Product weight is 118 lbs; plan accordingly for delivery and installation.