Comforest 14" No Box Spring Needed Metal Bed Frame CB Full C14BF01F Steel structure with extreme strength supporting bar under frame allowing the frame to withstand heavy weight and pressure Push in side legs by 1.5" provides protection from crashing for your little toe when you walk past the frame Easy to fix, no tool needed. Use small pins attached on frame Compared to internal fix legs, this new features allows you to make full space USAge under your bed