Malco Tools DK6S Cushioned Gripped Serrated Duct Knife

Malco Tools DK6S Cushioned Gripped Serrated Duct Knife. Malco Tools DK6S Duct Knife. For cutting flexible fiberglass wool duct and duct board, the DK6S Duct Knife has double edge blades that are ideal for blind cuts in “flexâ€?duct. Heavy-duty cutlery grade steel blades can be resharpened. Malco Tools DK6S Duct Knife For cutting flexible fiberglass wool duct and duct board, the DK6S Duct Knife has double edge blades that are ideal for blind cuts in “flexâ€?duct. Ergonomic cushion grip features one serrated cutting edge and comes with a puncture-resistant nylon sheath. Heavy-duty cutlery grade steel blades can be resharpened. Puncture Resistant Nylon Sheath Serrated Edge Double edged, cutlery grade steel blades Blade Length in. (mm): 6 (152)