Add-A-Level® Work Platform Base UnitStackable platform is adjustable to any height for worker comfort Modular design permits hundreds of floor plans with interchangeable parts that snap together Can be assembled to desired height, length, or Widthwith stacker and Poly Clip system Made from strong, durable, high impact plastic which resists oils, gas, acids and most chemicals No tools required Flow through grid design permits scrap and liquids to fall through or drain below Base unit