Brand Name: YangChen Type of sports: Strength Training Training Site: ARMS Training Site: Hand Training Site: Wrist Training Site: Chest Origin: Mainland China Arm Exerciser Grade: 20kg Function: ARMS Model Number: OUT0215 Feature1: Gym apparatus,sports equipment Feature2: expanders,Hand Strengthener Feature3: bodybuilding pulley,home exercises machines Feature4: Arm wrestling,trainer handles Feature5: twister exercise,forearm Choice: yes semi_Choice: yes