Smart line: a new standard for tape measure

I once got a freebie from my Bank, the combination of a tape measure, calculator and Notepad with pen included. I thought it was cool until I saw Smart line.

Smart string is like a tape measure, but without the tape. It is 50 feet 20 pound-force line. The line is not as big as traditional measuring tapes, it means that you can get more in the less bulky space. It also allows the user to