Stamina 50-Pound Versa-Bell II Pro Single Dumbbell Adjustable dumbbell with nine weight setting from 10 to 50 pounds; comes with nylon tray 10-pound steel bar with non-slip handle and eight five-pound chrome weight plates Dial mechanism increases or decreases weight; window displays weight change Weight settings of: 10, 15, 20, 25, 30, 35, 40, 45, and 50 pounds Dumbbell measures 16 by 7 by 8 inches; 90-day limited warranty