The Irwin Straight-Line Chalk Line 100' Aluminum Strait-Line Reel and Blue Chalk is a high-quality hand tool designed for precision marking and measuring tasks. Made by the trusted brand Irwin, this chalk line features a durable aluminum reel and a long 100-foot length of blue chalk. With its straight-line design and reliable performance, this tool is essential for various industrial and commercial applications where accuracy and efficiency are crucial. Made in China, this chalk line is a versatile and essential addition to any toolkit.