Household A-type Arm Strength Wrist Strength Training Device Grip Fitness Equipment, 100LBS

1. Material: aluminum handle + alloy spring
2. Size: 13x11cm
3. Handle size: 9.5x2.04cm
4. Number of pounds: marked on the bottom of the handle
5. Weight: 300g
6. Small size, not limited by the venue, can exercise at any time