Product Detail 1-1/2" x 1-1/2" side rails. 7-1/2" from floor to side rails. Double leg, 2 wide center support with glides. HerculesTM 3" Plastic Glides for sturdy support. Fits: Queen, California King, & Eastern King . The "Adjustable Queen/California King/Eastern King Metal Bed Frame By Fashion Bed Group" is best product for you. We recommended Adjustable Queen/California King/Eastern King Metal Bed Frame By Fashion Bed Group