kukko 406-38 impact ring wrench (din 7444) for a greater force transmission; however, an open access to the screw is required

The impact rings (DIN 7444) of series 406 are used in applications such as commercial vehicles, pipe industry, tank cleaning, petrochemical industry, steel and mining, etc. They do not slip off as easily as open-end wrenches and allow for a greater force transmission; however, an open access to the screw is required. The series 406 stands out for its variety of designs. Numerous sizes enable use with different screw sizes.

Up to a length of 480 mm made of forged carbon steel

Until key width 120