These are the best training clamp to use for weightlifting in my opinion. They slide on very easily and with a turn of the lever they clamp tight. The muscle clamps stay tight even when the barbell is dropped. If you have a fair amount of weight on the bar and you drop repeatedly, you may have to re-tighten the muscle clamps at the end of your set.
I will say that they stay tighter than any other clamp I have used. You can get them for a fair price on amazon.com. I have had this set for 2 years and have had no failures with them. They worked out much better than the Rogue collars I used in the past. One pair I want to try out are the griplock collars sold by Bells of Steel.
