Rafforzatore Braccio Twister in Acciaio Lega Durevole - Resistenza Regolabile 22-440lbs
Durable Alloy Steel Twister Arm Strengthener. Why Choose the Alloy Steel Twister Arm Strengthener?. Adjustable Resistance: Easily adjust the resistance levels from 22 to 440 lbs by simply rotating the knob.