These are more bulky than steel plates so not easy to fit desired weight on a hand bar bell. They come with filler already installed in heavy plastic shell.
I bought this for exercise. I weigh over 200 lbs and this gives me a low impact exercise and with the handle I don't have the fear of falling off. Actually the handle provides two benefits: it provides stablilization and it helps work the upper body by stretching your arms (and stomach muscles!) when you jump. I alternate this with the treadmill. I work on the treadmill for 45 minutes every other day and am working up to that on the trampoline. I cannot do 45 minutes on the tramp as it is a much mor vigorous activity and I tire more quickly on the trampoline. All in all, I love it and would suggest anyone to get one for the money!
Sturdy material, decent value for the cost. Set comes with four of each: 1lb, 2.5 lb, 5lb weights. These are much less expensive than buying each set of individual dumbbells. Using for P90x.
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