Milwaukee 100' Aluminum Blue Chalk Reel Kit a fast retraction ratio of 6:1, making your chalk line tasks quicker and more efficient. This kit features a durable StripGuard clutch with a planetary gear system designed for long-lasting performance. The high-strength braided fine lines produce clean, crisp lines, which help reduce chalk contamination, especially during indoor applications. This reliable chalk reel kit is i for professionals seeking precision and durability in their chalk line tools. Model Number: 48-22-3993