1 Sec One-handed Professional Adjustable Dumbbells are the newest generation dumbbells which are very easy to use. No assembly needed and they can be adjusted simply by rotating the handles at the grip. The mechanism handles the rest.

Yes. With the 1-Sec One-handed Professional Adjustable Dumbbell, the weight can be adjusted from 5 to 45 lbs (2.26 to 20kg) with 16 options. This dumbbells are designed for people at all fitness level. This dumbbells are designed for both men and women. Dumbbell can be adjusted lightweight to heavyweight. Users can adjust the weight according to their needs, and increase the weight as training intensity increases over time.

Simply rotate the handle at the grip to the number of the desired weight. You will know you have fully and correctly selected the number when you feel the adjustment knob settle into a notch and you hear a clicking sound.

1 Sec One-handed Professional Adjustable Dumbbell is more compact than previous generation. It replaces an entire set of dumbbells, hence saving a tremendous amount of space in your home. The adjustment is quicker, and easier by using only on hand. The improved locking mechanism sets it apart from other adjustable dumbbells by locking in properly positioned weight plates so they won’t separate from the handle. The sleek, smooth design enhances your workout area.

Covered with a unique injection-molded plastic, 1 Sec One-handed Professional Adjustable Dumbbell won’t clank and clatter when they are set down. The cover also keeps weights from scratching floors or other surfaces they might touch. And no matter how sweaty the workout gets, they are protected from corrosive rust.

Yes. 1 Sec One-handed Professional Adjustable Dumbbells allow you to work your entire body: biceps, shoulders, core and legs.

The Dumbbell Rack is optional but recommended. The rack ensures correct positioning when lifting the weights to help avoid back injury.