Contents - Set of 4-in-1: Four 4LB plates, four 5LB plates, four 6LB plates, two dumbbell handles, one barbell connector, one kettlebell base with rod, two kettlebell handles, five collar locks. Multi-Functional Portable Changeable Dumbbell and Barbell Kettlebell Set with Adjustable Weights, 40LBS or 60LBS Sets, Multiple Styles.