The adjusting brackets were as described and provides more options, easy to assemble, all parts/instructions in box.. Given bed frame approx 1 foot off floor for platform bed with a 5'' box spring & 8" mattress, adjustment allowed for the headboard to be about 20 inches  above the mattress, perfect fit.   Purchased separately at hardwood store  a  small 3x3x2 inch block and attached with velcro above bracket.   Headboard fits snugly against wall.