DK6S - Malco - DUCT KNIFE, SERRATED/SMOOTH (1EA) this two‑stage pump delivers 21

this two‑stage pump delivers 21 GPH at 100 PSI

making straight shearing fast and efficient

Perfect for HVAC ductwork

300 in‑lb torque range

The tempered steel wire bristles are twisted between two stem wires

DK6S - Malco - DUCT KNIFE, SERRATED/SMOOTH (1EA) this two‑stage pump delivers 21Malco DK6S, DUCT KNIFE, DBL SERRATED For cutting flexible fiberglass wool duct and duct board, the DK6S Duct Knife has double edge blades that are ideal for blind cuts in flex 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.