The GRID® STK and GRID® STK X are an innovation in hand-held foam rollers. Specifically designed with GRID® surface and AcuGRIP handles to roll, release and relieve minor aches and pains.
The world’s first hand-held foam rollers wrapped in patent-pending GRID® 3-dimensional surface channels nutrients directly to the tissue for health and mobility. Available in two densities (regular and extra-firm “X”).