The new FUJIMAE Finger Exerciser is the ideal tool to develop and work on the strength and flexibility of your hands and fingers and it’ll become an essential for every athlete in need of increased grip strength.• Made of silicone to provide you with the required elasticity while allowing for gradual strength.• Ergonomic and long-lasting: The fine selected material is built to last and the ergonomic design is meant to get easily adapted to the hand for effective and unlimited practice.• Multiple levels of resistance to build up gradual grip strength.• Small-sized and lightweight design to get the most out of it either at home, at the office or even on-the-go!