One of the strongest bed frames on the market, this heavy duty metal bed frame works well with even heaviest mattress boxspring/foundation sets. Wedge-Lock design and oversized heavy duty side rails provide superior support for your mattress and boxspring/foundation set. 1-3/4-inch x 1-3/8-inch x 71-inch Side rails. No tools required, easy snap together design. Single carton pack. Headboard and footboard brackets included. Dark brown metal color. The bed frame is 7.3-inches high off the ground. A boxspring, or mattress foundation, is required. This California King or CA Cal king size bed frame has 9 sturdy legs and center support. Quick and easy assembly, no tools required. Please note that this California King size metal bed frame will not work with a regular king size mattress and boxspring. If you have a regular king size mattress then please view our listing in regular king size.