Matrix Adjustable Dumbbells 50lbs or 80lbs-Fitness SpecialistMatrix DB50 DB80 Adjustable Dumbbells Pair Fitness Specialist TX The Matrix DB80 Adjustable Dumbbells deliver pro level performance in a compact design, replacing up to sixteen pairs of traditional dumbbells. Twist to select weight changes are fast and precise, so you can flow through strength circuits without clutter or delays. Each dumbbell sets adjusts up to 50lb or 80 lb and includes a low profile cradle for clean storage. Key Features Fast, Twist