Ive been using a 7.5 amp Mil sawzall for a couple of years. Its decent and has the metal quick change. Only one problem, every so often (once every 5-10 hrs of use ?) for no reason it stops working, I mean nothing! When I open th case and test it it works. So i figure short somewhere I test the wires but I can't find any shorts. I usually fix my own tools, so I put in new bushes, same problem, so I changed the trigger, nada. So I bypassed the speed control dial, thought that was it but no. It,s always the same it works great and then it just won't start I open it up and it works, I've checked all the wires. I knew a guy had a sawzall for like 12 years and it was still going strong. It's not like I use the thing every day. Anyhow this is pissing me off. The price of the new sawzall that matches this one is like $300.00 it's not the end of the world or anything it's just after messing with it so long I don't want to give up. Oh yah I've got the stupid detachable power cord, anyone ever had problems with that?