Beskrivelse
1. Adjustable strength of 10-100 kg, strengthens hand strength, awakens vitality, and relieves hand muscle soreness2. Rotate to adjust the strength, increase the strength clockwise, and decrease the strength counterclockwise.3. High-strength thickened spring, made of stainless steel, wear-resistant, non-rusting, non-breaking, long service life4. Ergonomically designed rubber comfortable grip for a comfortable fit5. Material: ABS+fine steel6. Spring diameter: 4mm7. Strength: 10-100kg8. Dimensions: 16 x 12 x 2cm9. Weight: 173g
