Description This is biceps muscle training equipment is made of high-grade materials, sturdy and durable, can exercise the hand muscles, make yours stronger and full of charm. It is a very practical and durable fitness equipment. Features -Color: Black -Material: TPE - Size: 13.00X4.00X20.00cm/5.11X1.57X7.86in -If you need to strengthen your biceps muscle of arm, then this tool is perfect. -You can exercise shoulder muscles, back muscles and arm muscles with it. -The design of the the palm more closely, making it more comfortable to use when exercising. -This equipment is great for building muscles and creating power for arms. -Improve grip strength, strengthen the core and improve flexibility to look your best. If you need to strengthen your biceps muscle of arm, then this tool is perfect. You can exercise shoulder muscles, back muscles and arm muscles with it. The design of the the palm more closely, making it more comfortable to use when exercising. This equipment is great for building muscles and creating power for arms. Improve grip strength, strengthen the core and improve flexibility to look your best.