Task Tools chalk reels feature a capless refill port allows for quick, no-spill refills and will never spill chalk in your tool box.The string locking switch allows use of the reel as a plumb bob and makes snapping a chalk line over long distances much easier. The units feature 6x super-fast rewinds, integrated line levels and all-in-one end hooks that hold nails, ledges, and will tack into drywall. There are six different models within this new line.