Hex wrench set and wrench

Reduces racquet vibrations for a more comfortable feel

Ionic Technology: absorbs shock and reduces vibrations to give players maximum power and control

Gusseted tongue and zippers treated with water-repellent coatings for durability

Battery Life at 14 days in time mode

COROS Heart Rate Monitor COLLECTION-Type-Ball Machines Hex wrench set and wrenchGet precise data and total comfort with the COROS Heart Rate Monitor! Compatible with any Bluetooth heart rate enabled device, this heart rate monitor provides over 38 hours of continuous and accurate heart rate monitoring to track your workouts. Enjoy distraction free comfort as the soft fabric band lays flat around your arm and locks in place. Housed in a tough yet sleek body and protected under a scratch resistant cover, the advanced sensor