Hand Grip Strengthener with Adjustable Resistance

Bulmarc’s Pro Spiral Grip

• The upgraded double locks are safer during exercise, and the gears are reinforced to prevent loosening and avoid punching the horizontal bar.
• Dimensions: 15.5 x 12 cm.
• Material: steel double spring + ABS engineering plastic
• Width Adjustment – 1.5 inches to 3.5 inches
• Resistance Adjustment – 10 kgs to 70 kgs