About this item The king-size box spring raises your bed nicely, providing the perfect foundation for a comfortable and restful night’s sleep. Featuring a sturdy metal construction, 1.6 inch king size bunkie board eliminates noise disturbances and promotes a restful night’s sleep for a worry-free night. With a weight capacity of up to 3,500 pounds, the box spring is durable and provides ample support for you and your mattress. The king boxsprings contains all the components and installation tools, and the assembly instructions are easy to understand. Low metal bunkie board king size dimensions: 80″ L x 75″W x 1.6″ H.