This is a rope I purchased about 10 years ago for gym use. It was originally 40m long, but I cut off the damaged ends, so it's now 25m. I forgot the product name, but the manufacturer is Edelweiss. I measured the rope diameter and believe it to be 9.8mm. There are no noticeable frays or scratches overall. This is a used rope, so please use it at your own risk. How about it for practicing rope work, etc.? Thank you.