For floating headboard off floor. Hooks in-and-under standard pins in headboard. Easy installation in a few seconds with no measuring or drilling of holes in leg. No bolts showing out of leg to mar walls. 12 horizontal slots for desired height off floor and side to side adjustments. One piece heavy gauge steel. Convenient packaging, each pair packed in box complete with instructions and necessary hardware. QUEEN SIZE BEDDING (60") can be used with full size headboard, just switch right bed hook to left leg and left bed hook to right leg. One pair per box.