The Klein Tools Double-Edged Duct Knife is built for precision and durability, featuring a double-edged stainless steel blade designed for smooth and serrated cuts on flexible duct, duct board, and insulation. Its reinforced steel tang adds strength and stability, while the impact-resistant sheath ensures secure storage and convenient blade removal. With an ambidextrous, dual-material ergonomic handle and sheath belt clip, it offers comfort, control, and portability for demanding tasks.