39"H Single Face Adder Shelving Unit, (2) Shelves, (1) Adjustable, (1) Fixed Extend your bookcase, and maximize your space! Designed to extend a starter unit, this shelf is built to be an addition and connects to a starter shelf for additional storage. Since this addition connects directly to the starter unit, it saves space and creates one solid, sturdy piece. Features include an adjustable shelf and a five-point support system to provide additional support, so no need to worry about your shelves sagging over time. The unit is designed to create a multiple-shelving unit for your library. Product Features Tough & Durable - Superior structural and material integrity means it’s built to last. Stevens has been providing cabinetry and storage solutions for more than six decades. Our quality construction begins with 3/4” thick industrial-grade wood composite core components with thermofused laminate faces and impact-resistant edges made of 3mm solid extrusion material for greater durability. Cleanable - Excellent Clean-ability Properties, from general cleaning to germ-killing disinfectant cleaning for supporting a healthy environment. Stain Resistant - Enduring, non-porous surfaces resist stains and spills. The shelving is 1" thick with five-point deflection reduction support features and is adjustable in 1-1/4" increments. Full 3/4" Thick Back for superior strength. Guaranteed free of defects in materials and workmanship for five (5) years. UL GREENGUARD Gold Certified. Made in the USA. Cabinet Color Options 576 - Dark Elm, D98 - Tulip Red, 057 - Graphite Nebula, 783 - Cherry, 059 - Grey Nebula, 577 - Maple, 592 - Battle Creek Oak, 603 - Door County Oak, W92 - Shadow Elm, L40 - Sepia Walnut, 540 - Solano Walnut, 700 - Insipid, 727 - Mirage, BN5 - Industrial Concrete, 741 Tsunami, 091 - Ocean, 233 - Island, 232 - Orange Grove Special Note This product must be securely attached to the building structure with anchoring devices (not included) of the appropriate type, size, and quantity in accordance with the applicable codes and accepted installation practices. Availability This is made to order with production lead-time applicable at the time of order. Assembly Instruction This product is shipped ready to assemble. Detailed instructions are included with the product.