Ball Rubber Thorn Fit Lacrosse ball black The lacrosse Thorn Fit ball is an accessory used to improve body mobility. Besides it will be useful when reducing tensions in muscular plexuses, fascias and points difficult to massage. Ball massage is an excellent form of relaxation after strength and endurance trainings. Rubber surface limits sliding balls. Small sizes. The black version was made of softer rubber than the red one. Technical data:· Diameter: 6 cm· Weight : 145 g