Tackle those tough knots with the GRID 2.0 foam roller from Trigger Point. ; Larger than the GRID Mini (sku# 8223555) and the GRID (sku# 8223554) for a greater area of coverage. ; This foam roller uses one's own body weight to apply direct pressure to knots for muscle relief and increased blood flow. ; Design is based on a grid system of varying widths and densities, allowing you to take foam rolling to the next level. ; Can be used on your calves, quads, hamstrings, glutes, back, pecs, thoracic spine and other areas of the body. ; Reposition to control the intensity level. ; Ideal for use before and after workouts. ; Length: 26 in. ; Diameter: 4 in. ; Weight: 50 oz. ; Imported.