The BLACKROLL BLOCK Set is an essential selection of fascia tools. This Block set includes 1 BLACKROLL MINI roller, 1 BLACKROLL 3.8" Ball, and 1 BLACKROLL BLOCK. The block serves as a self myofascial release tool, a yoga block, and as a storage unit for Duoball and BLACKROLL balls. The ball is ideal for small and deep-lying muscles and the mini roller is great for a targeted massage of the feet, legs, arms and other body parts.