Lifecore Corebell 5- to 30-Pound Adjustable Dumbbell System with Stand Compact set of adjustable dumbbells does the work of 22 pairs of traditional dumbbells Easily adjusts from 5 to 30 pounds in 2.5-pound increments Each dumbbell features a contour comfort handle Includes a heavy-duty stand for easy storage Manufacturer's warranty: weight plates - lifetime warranty, handle and parts - five years