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Malco Tensioning Tools for Flex Duct




Malco adjustable and manual tensioning tools are designed to make the task of installing nylon ties on flexible fiberglass duct easier and faster.

The TY4G Manual Tensioning Tool features a clean baked on enamel wrinkle finish ÿthat weathers the elements and can stand up to abuse on the job. Comfortable handles reduce the pinch point area and the vinyl cushion grips reduce fatigue and slippage. The TY4G also has a built in cutter handle. Works on all ties including thin designs.

The TY6 Adjustable Tensioning Tool is a high leverage tool with auto cut-off for continuous use on the job. Designed for a heavy user of nylon ties, the TY6 features an adjustment knob allowing the installer to set a desired tension for securing flex duct to a take off collar. When the tie is tight, a breakaway spring mechanism releases the tools lower handle, causing the blade to engage and automatically cut off the excess tail of the tie. No extra operation or manual trimming is required. Contoured handles with stops are easier to grasp, while smooth lever action and vinyl cushion grips minimize hand and arm fatigue on big jobs. The TY6 also features a hardened steel body. long wearing parts and a weather resistant chrome nickle finish to assure many years of dependable service. Works on all ties including thin designs.


TY4G Manual Tensioning Tool

  • Manual cut-off handle
  • Length: 6″ (152mm)
  • Weight: 11oz (312g)
  • Use with all ties including thin designs
  • Vinyl coated handles for comfort & grip

TY6 Adjustable Tensioning Tool

  • Automatic cut off at adjustment setting set by installer
  • Length: 8-1/2″ (216mm)
  • Weight: 15oz (425g)
  • Use with all ties including thin designs
  • Vinyl coated handles for comfort and grip

Additional information

Weight 13 oz
Dimensions 12 × 6 × 1 in



TY4G Manual Tensioning Tool from Malco, TY6 Adjustable Tensioning Tool from Malco



Made In




Malco Products, Inc. got its start in 1950 when a young steel supply salesman, Mark W.Keymer, decided to manufacture and market a pipe crimper he had invented for use in installing the "new" sheet metal ductwork used with forced air heating systems. More tools soon followed, including: the first hand seamer to employ compound leverage; a time saving hand notcher that made a V-shaped cut in one motion; and a hand operated, snap lock punch to complete the basic sheet metal tool set. Today Malco Products, Inc. is the nation's leading manufacturer of "tools of the trade" for HVAC (Heating, Ventilating and Air Conditioning) professionals. In 1975 Malco also created a vital specialty tool market for EXTERIOR REMODELING professionals (Installers of Roofing, Siding and Gutter) and holds the leadership position in that niche as well. Corporate headquarters and manufacturing facilities are located in Annandale, Minnesota, just outside the Minneapolis / St. Paul metroplex. Malco continues its founder's tradition of leadership and innovation by addressing a changing industry landscape and responding to emerging market needs for new specializations and more customized products and services.


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