Yaheetech Adjustable Dumbbell Set Free Weight Dumbbells 40lbs/52.5lbs/90lbs

*New in unopened box: ONE set of adjustable weights. Use as dumbbell or switch to barbell. *Steel *2-in-1: Dumbbell, Barbell: This genius workout equipment merges the dumbbell and barbell into one versatile free weight set. With 16 weight variations per mode for each piece, from 4 lb to 90 lb for the dumbbell and 5 lb to 90 lb for the barbell, it unlocks endless possibilities for your free weight exercises *Strong & Durable Steel Plates: Crafted from sturdy solid steel, this 1-second adjustable dumbbell weight set is protected with polypropylene covers to enhance resistance against water and wear. The barbell handle, constructed from aluminum, further bolsters its strength and durability *Weight Customization In Seconds: Thanks to the quick-adjust handle, this adjustable dumbbell set allows you to customize your workout in a flash. Switch between 16 different weights in seconds for each piece by twisting the handle clockwise or counterclockwise. The clear dials make adjustments effortless *Dual Safety Lock Mechanism: This adjustable dumbbell set features a dual-lock system that ensures stability and balance, keeping your workouts safe and steady. The weight adjustment kicks in only when the dumbbell/barbell is securely on the tray, eliminating any chance of accidental operation *Space-saving Storage: You can effortlessly achieve space-efficient storage with this 2-in-1 free-weight set. Easily store it beneath a workout bench or on a garage shelf post-strength training, saving considerable space compared to owning 64 separate weights