Entrenador de Brazos Twister, Ejercitador de Pecho y Brazo Ajustable para Hombres Mujeres, Portátil...
【Adjustable 40–80Lb Power】Adjustable twister arm trainer (twister arm trainer 40-80lbs) lets you train with smooth resistance from 40-80lbs. Builds chest, arms, shoulders, and back safely.