I have been successfully using 3M Carpet Tape Cat. 345 to secure templates to the work piece when routing. The same roll has been in the shop for years. 36 yds lasts a long time. I ran out last week and could not find the stuff locally so ordered it online. The only thing I could find online was 3M 345PQ. It sounded like the same product but it is not. It has a foul smell and leaves a nasty residue when the pieces are separated. I have been looking again for it on line but can not find it even on the 3M site. Nor could I locate any technical specifications from 3M on their tape products and intended uses to differentiate 345 from 345PQ. I tried a number of likely looking products at my local Ace Hardware but none perform as well as the original 345. Does anyone know where to get the original 345 or can anyone recommend an equivalent product? Does anyone want 34 yds of 345PQ?