"I had a similar tool to this that used thicker rings I got from a little hardware store, used this for years until store went under, was a very good tool, got this and I rate it along side the chocolate teapot and a hand brake for a rowing boat. It done the job but I ended up wasting 2 in 3 of the rings as they did not locate in the tool correctly as the spring is not strong so does not push ring into jaw this I would not of mind if the cost of the replacement rings was lower are wasted. Ok for a one of job if you what something you could use regularly don,t bother you only end up lobbing the thing in a cop. So do not buy"
"The tool itself does the job, but is not easy to use as was fastening the top wire of stock fencing to the wire attached to wooden posts. In some cases i was restricted by the limited angles of operation. However i am totally frustrated in that i cannot order more rings ,as no specification is provided with the rings for me to source more' 100 provided with the tool does not go far."