... made 2) Powder coated 3) Manual height adjustable 4) Knock-down packing Specifications: Manual Height Adjustable Office Table Frame1) ... Steel made2) Powder coated3) Manual hight adjustable4) Modern, simple, stylish, novel design. ... of office desk frames, adjustable table legs(electric, manual, pneumatic), table bases,steel feet, panels, folding tables, office tables, ...