The Chrome Coated Adjustable Dumbbells offer multiple weight options from 5-pounds to 100-pounds. The set includes two 19.5" Adjustable Thread Dumbbell Handles with Lock Collars that features a 25mm diameter center with knurled competition texture for a comfortable and firm grip that holds up to use and weather. The durable weight plates come in 2.5, 5, and 10-pound increments that feature the weight and TITAN branding. The weight plates allow you to dial in the exact weight you need for training. With these dumbbells, you can do a range of exercises that target your biceps and triceps, abs, delts, traps, back muscles, etc.