Corners measure 10

Unique Stage 3 Red tennis balls are perfect for the job

Sanctioned for both ITF and USTA tournament play

Remold if necessary

This string resists movement to enhance power and provide optimum spin

Trigger Point GRID STK Orginal Foam Roller Capacity_80 Balls Corners measure 10The Trigger Point GRID STK Original Foam Roller is specifically designed with the patent pending three dimensional surface to channel nutrients directly to the tissue for health and mobility. This surface also replicates the feeling of a massage therapists hand, providing luxury in addition to therapy. The convenient size is perfect for the gym, office or on the road. AcuGRIP handles provide targeted relief. Water resistant and simple to clean.