Cutter Knives Jar – Blue/Black, 18mm Blade 4 Jars/Box is a professional-grade construction and industrial product engineered for durability, accuracy, and reliable on-site performance. Designed to meet trade and commercial standards, it supports efficient installation and long-term service life across demanding applications. Suitable for contractors, installers, and trade retailers, this product delivers consistent results in commercial, industrial, and residential projects.