The ergonomic hand crank handle enables smooth line deployment / retrieval, while fluorescent coloration ensures high daytime visibility and tangles resistant storage For creating straight, installing pattern, or marking plant rows combines construction durability with multiple adaptability from job sites to backyard projects Sturdy braided nylon masons line with 5 builts in levels gauges delivers measurements and tensile strength for demanding construction projects and outdoor applications Five integrated bubble levels ( horizontal / vertical / diagonal) and abrasion resistant nylon construction make this reinforced string line reel equipment for plumbs bricklaying and slopes calculations Ideal for contractors, landscapers, and enthusiasts requiring professional alignment tool for masons work, fencing installations, or garden planning, Manufacturer: Kaeltsyn