ADJUSTABLE DUMBBELL & BARBELL SET — Covers 10KG, 15KG, 20KG, or 28KG configurations for versatile home strength training. Use as dumbbells for isolation exercises (bicep curls, tricep extensions) or assemble as a barbell for compound lifts (bench press, rows, squats). Quick-change system replaces multiple weight sets, saving valuable home gym space. Ergonomic handles with non-slip grip ensure comfortable, safe training across all fitness levels.