HLC Smart 8-Wheel Metal Bed Frame, 3 Adjustable Sizes (Queen, Full,Cal King) with Center Support and 4 Looking Wheels Ultimate Heavy duty 8 leg adjustable metal bed frame for Queen,Full,California King matresses Unique square center support bar with support glide supports up to 1300lbs 8 Rug rollers and 4 locking wheels makes it easy to move and stop Headboard bracket provides excellent support to fix your mattress and headboard;please put a piece of plank/wood on the frame before place your mattress. No tools are required, assembles in minutes, easy to move and store