Lifecore Corebell 5-55-Pound Adjustable Dumbbell System with Grab-N-Go Bench Combination workout set with adjustable dumbbell system and portable bench Dumbbells adjust from 5 to 55 pounds in 2.5-pound increments Genuine dumbbell shape and feel with contoured comfort handle Bench includes 6-position backrest; handle and bottom wheels for transport Bench measures 34 x 19.5 x 44 inches (W x H x D) and weighs 48 pounds