Power Systems Pro Wrist Roller for Grip and Forearm Strength Training, 16 x 1.5 Inches, Chrome/Black (67090) Strengthen your grip and forearms by rolling a weight up and down Strong tubular steel with padded handles and hanging cable for attaching 1-inch standard plates Can hold 35 pounds of weight safely, with a 45 pound weight limit Increase strength in forearms and grip Increase resistance by adding 1 inch standard weight plates