The Milwaukee 48-22-3982 100' chalk is one of the best line I've use and I've been working construction for 20 years. It does very good at not wasting chalk and give you a very clear line . Great tool love it
As a pro carpenter, I have use many chalklines and THIS Milwaukee is easily the best one I've used. Creates a bold, clear, full line, reels in quickly as per the gears, and detaches from nail/screw set points effortlessly-eliminating the walk back deal. HIGHLY recommend it!