Unique 5-in-1 & 6 Pair Dumbbells: Go beyond standard 4-in-1 adjustable dumbbells limited to 5LB. FEIERDUN adds a 6LB advanced optionl to support continued progress. Start with 2–3LB for beginner training, move up to 4–5LB for toning, and advanced to 6LB for stronger arm and shoulder definition.
