Well it's SS so right off the bat it's more useful than the cheap aluminum ones that strip their threads if you so much as try and coil a piece of limp spaghetti. The main problem with this one is that the part that's supposed to actually make the coil doesn't work. The screw that's supposed to push the wire around the rod is too far away to make a tight coil. With the 2mm rod in place you'd need to be wrapping a 3/16" cable to make contact with the screw head. At least I have something to help me hold the wire in place while I hand wrap it...just that alone allows me to make much better coils much easier than trying to grip and wrap with mere finger pressure. And the storage in the handle is a good idea but poorly executed...you have to empty everything out to use the cap to wrap the coil. If it was actually useable anyway. As it is I select my rod diameter, tighten the set screw, put everything back and just wrap with my bare hands....changing the rod size as needed. Glad I have something...but sadly this thing falls pretty short of it's intended usefulness.