Amcraft 8000 - Duct Knife, 3-1/2" Blade
Standard green handle insulation knife 3.5" blade for scoring and stripping fiber glass. Makes clean straight lines in 1", 1.5", 2" duct board R4,R6,R8 insulation values. A must have item for ductwork fabrication. Used in conjunction with Amcraft duct tools life is easier. No more struggling to cut duct!