Stairmaster Twistlock Adjustable Dumbbells - 2-20kg with Stand Bar Type_Tricep Bar Manufactured from a unique steel

Manufactured from a unique steel alloy with a 215

making them heavier and more resilient than the Physical Stability Balls

Number of springs 42

elite status and how to incorporate them into a traditional strength training approach

Thick closed cell foam for greater absorbency and comfort

Stairmaster Twistlock Adjustable Dumbbells - 2-20kg with Stand Bar Type_Tricep Bar Manufactured from a unique steelWith their unique design, you can create a dumbbell weight from 2kg up to 20kg meaning they can be used for a wide range of exercises for users of all levels. A smooth adjustment mechanism that is a twist of the handle when they are in the cradle, gives you ease of use rather than knobs, catches or levers. Replacing the dumbbell back in the cradles allows you to then select the weight you want through a twist of the handle itself. That's it no drama,