Tackle those tough knots with the GRID 2.0 foam roller from Trigger Point(R). 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: 約 66.0 cm. Diameter: 約 10.2 cm. Weight: 約 1420 g.