Malco Products Duct Knife
Use as an aid in fabricating fiberglass duct board. Long life, double edge blade facilitates easy piercing for inside cuts. Double edge also ideal for tapping into and trimming flex duct board. Made of heavy cutlery steel with comfortable walnut wood handle or ergonomic cushioned handles.
Ergonomic handles
Puncture resistant nylon sheath
Serrated edge
Can be resharpened