Gripmaster heavy

This product is a unique hand and finger trainer. You practice every finger by themselves and let you get a solid and firm grip. When you work out your hands in other ways you often only strengthen your strongest fingers but with this device you practice all your fingers the same way!

• pressure: 9lbs per finger (or 4.1 kg)
• color: black
• strengthen every finger in your hand
• works with both right hand and left hand
• enclosed is a practice with 6-7 work-outs for your hands
• suitable for strong men
• a practice program with 7 exercises are included