Modifying snap ring pliers to make Special Tools. The knurled jaws are made from 4140 steel and the pliers are most likely 1045 steel. I used inconel 82 for filler rod because I have welded lots of tool steel with it and because I have plenty that I bought for scrap. Otherwise, if I had to buy rod for this job, I would have used 309 or 312 stainless rod.
Black & Decker (Est. 1910) Power Tool Training Video Safety section reminds users of some of the things one should remember when using power tools but always refer to the instruction manual with the tool. Black & Decker will soon be celebrating 100 years of innovation.