Built with sturdy construction and a black finish, the Uni-Matic Universal bed frames have 1-3/8” x 1-3/4” steel side rails for solid support with a 71-13/16” length. Deeply recessed legs are provided for safety to prevent possible foot injuries. The 2" locking rug rollers and 2-piece steel stem glides provide sturdy support and gives the frame a 7-1/2” height from the floor to box spring. The Wedge-Lock rail connection assembles in seconds and designed to become stronger as more weight is applied, promoting strength and durability. A Double-Angle center support bar has a “Head-to-Foot” design for maximum strength for added support and protection to your mattress warranty. Keyhole cross arms makes assembly easy and allows the width of the steel rails to adjust, providing versatility to these multiple sized bed frames. The riveted, extra wide constructed headboard brackets will provide sturdy connection to virtually all headboards. The boring width of this Uni-Matic frame is 35-1/4" to 38-1/8" for Twin, 50-1/4" to 53-1/8" for Full, 57-1/4" to 60-1/8" for Queen, 69-1/4" to 72-1/8" for California King, and 73-1/4" to 76-1/8" for King. Side rail width increments measure 37-3/4”, 52-3/4”, 59-3/4”, 71-3/4”, and 75-3/4” in size. Fashion Bed Group offers peace of mind and a solution for any bedding support need. Our products exceed all industry standards and can help preserve your mattress warranty. The Uni-Matic Universal Bed Frame comes with a Limited Lifetime Warranty against manufacturing defects. The Fashion Bed Group, a division of globally diversified Leggett & Platt Inc., is an industry leader in the production of fashionable beds, adjustable bed bases, top of bed textiles, bedding support and barstools.