Twister Arm Trainer with 2/4 Springs, 20-120lb Adjustable 6 Resistance Levels Twister Arm Chest Exerciser, Portable Chest Workout Equipment for Men & Women, Enhancing Upper Body Muscle 20-60LB is up for auction in Sports & Outdoors. The current bid is $3.00, 81% below the $16.14 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.