Yaheetech Adjustable Dumbbell Set 28/40/52.5/90LBS Adjustable Dumbbells Fast Adjust Dumbbell Weight Set with Anti-Slip Handle and Tray for Men/Women Home Gym Strength Training Equipment Single/Pair

1 Hand, 1 Sec, 12 Weights: No more annoying weight loading or unloading with this Single Adjustable Dumbbell! You can switch between weights from 3 lb to 40 lb in mere seconds by effortlessly twisting the selectorized anti-slip handle with just one hand. The clear dials further enhance the ease of adjustment
Double Safety Lock Designs: This single adjustable dumbbell incorporates a two-step weight plate locking mechanism, which enhances overall stability, balance, and safety during exercise routines. The weight adjustment feature is activated only when the dumbbell is securely placed on the tray, preventing accidental operation during exercise
Space-saving & Safe Storage: Taking up only a small footprint of 16″ L × 8″ W × 8″ H, this single adjustable dumbbell saves significant space compared to 12 standard sets. Easily stow it beneath a workout bench or on a garage shelf post-workout
Anti-slip Handle for Intensive Workouts: Tailored for comfort and control, this adjustable dumbbell weight boasts a 1.5″ diameter handle with anti-slip convex textures. The blend of hard and soft materials (PPR & ABS) elevates grip strength and ensures comfort during rigorous workouts
Selected Materials for Enhanced Strength: Constructed of solid steel plates, this 1-second adjustable dumbbell weight features protective polypropylene covers for additional water protection and wear resistance
About Weight Adjustment: To adjust the dumbbell 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