The vertical bar is a training device specifically designed for arm wrestling, training pronation and supination strength. It can be used with 25mm diameter dumbbell plates for home use. The position of the fasteners can be adjusted depending on the number of plates used. *Please note that due to the imported nature of the product, there may be minor scratches, although this does not affect its use. 《Wrist & Forearm Training Equipment Lineup》 #Haruru's Wrist & Forearm Training Equipment 《Arm Wrestling Equipment Lineup》 #Haruru's Arm Wrestling