The IRWIN Mach6 Replacement Line is the replacement line needed for the the IRWIN Mach6 Chalk Reel.
This reel has 100 feet of strong nylon and polyester line to mark long distances with minimal effort.
The IRWIN Strait-Line replacement line is 100 Ft. long.
New anchor ring provided with each replacement line.
Twisted cotton line holds more chalk for multiple line strikings.