Grip Strength Training Finger Arm Strength Pull-up Finger Board Solid Wood Wooden

Product information:
Color: 12cm long, 40cm long, 50cm long
Specification: 3 pieces/each set
Material: Wooden
Size: 12*6*4cm, 12*5*3cm, 12*5*2cm; 40*6*4cm, 40*5*3cm, 40*5 * 2cm; 50*6 * 4cm, 50*5 * 3cm, 50*5 * 2cm