Threaded dumbbell handles Built from selected material for longlasting durability. Threaded design enables secure connection with a barbell connector. Easy to assemble, saving setup time and providing convenient use during workouts. Dumbbell components with bolts Constructed from durable material with bolts for secure, quick installation and removal. Designed for simple, reliable changes between configurations during training. Dumbbell bars Simple, practical design that serves as a connector for dumbbells. Lightweight yet sturdy enough for regular training use. Dumbbell barbell converter Allows switching between dumbbell and barbell configurations for versatile workouts. Helps you stay fit, healthy, and active by strengthening the biceps and forearm muscles, increasing arm strength, power, and control. Includes dumbbell grips for a secure, comfortable hold. Use scenarios Athome arm training: Connect threaded dumbbell handles with the barbell connector to perform curls and gripfocused movements; use the converter to switch to a barbell setup for additional exercises. Quick transitions in a compact gym or home gym: Easily switch between dumbbell and barbell configurations with bolts and connectors to adapt to different routines without extra equipment. Versatile strength and conditioning: Combine the dumbbell grips with the converter to execute a range of movements that target the arms, improving strength, power, and control.