Features:
Single hand power grip and Strong plastic handles.
Develop fingers flexibility, strength and coordination.
Maintains the strength and dexterity of your fingers, hands and forearms.
Training equipment tool for music instrument, tennis, bowling, golf and all your daily strength needs.
Perfect tool for pre-show warm-ups and maintaining conditioning when away from your instrument.

Specifications:
Brand: ammoon
Color: Black
Material: Plastic
Item size: 9 * 7 * 2cm / 3.5 * 2.7 * 0.8in
Item weight: 61g / 2.1oz
Package size: 14 * 10 * 4cm / 5.5 * 5.1 * 1.5in
Package weight: 81g / 2.8oz

Package List:
1 * Hand Exerciser