12-IN-1 ADJUSTABLE DUMBBELLS:This dumbbell set spans a wide weight range from 4 lb to 40 lb in diverse and smaller increments to facilitate gradual resistance, intensity, or volume adjustments. 1-SED ADJUSTMENT FEATURE:With just a quick grip, twist, and lift of the selectorized anti-slip handle, you can easily switch the 12 adjustable weight dumbbells settings in just one second. The hassle-free customization is aided by clear dials that ensure easy readability STURDY&DURABLE:Built with solid steel plates, this workout equipment of free weights is protected with polypropylene covers to offer extra protection against water and wear TOTAL BODY RESULTS: With the weights dumbbells set's wider weight range you can do heavy exercises such as shrugs and lunges as well as lighter exercises such as curls and raises. SPACE-EFFICIENT: Measuring just 16″ L × 8″ W × 8″ H, this gym weight set occupies minimal space, Effortlessly store it beneath a workout bench or on a garage shelf after your workout for convenient.