1. Dumbbell, Kettlebell, Barbell: This workout equipment smartly combines dumbbell, kettlebell, and barbell into 1 versatile free weight set. Offering 12 weight variations in each mode, ranging from 7 lb to 52.5 lb for the dumbbell, 8 lb to 54 lb for the barbell, and 4 lb to 27 lb for the kettlebell, it opens up a vast array of possibilities for free weight exercises

2. Dual Safety Lock Mechanism: For heightened stability, balance, and safety during workouts, this adjustable dumbbell boasts a two-step weight plate locking mechanism. Weight adjustment is activated only when the weight set is securely on the tray, minimizing the risk of accidental operation

3. Space-saving Storage: With its compact footprint of 16\u2033 L × 8\u2033 W × 7.5\u2033 H, this 3-in-1 free weight set can be neatly tucked under a workout bench or stashed on the garage shelf after your strength training. It saves significant space compared to 36 weight sets

4. Enhanced Safety with Non-slip Handle: This free weight set features anti-slip convex textures on the dumbbell handle and knurling on the barbell handle. The combination of materials elevates grip strength and improves comfort during rigorous workouts

5. Essential Home Gym Gear: Maximize space efficiency with this compact 3-in-1 free weight set, adding flexibility and versatility to your full-body workout routines. Its portability is also suitable for strength training during office breaks or traveling

6. About Weight Adjustment: To adjust the dumbbell/barbell weight, fully insert the handle into the base (in the lowest position) before turning it. Align the red arrows with the numbers on both dials until you hear a "click-clack" sound, confirming the adjustment. If the red arrows aren't aligned, reset the handle and adjust it again