KIG, KAG, SKG nozzles are manufactured according to DIN 3483 standard from cast iron, coated with zinc, and are equipped with an oil-resistant sealing ring. The inner distance of the loop is 42 mm. As a result, nozzles with different finishes (internal or external thread of various sizes, as well as "herringbone" hoses of different sizes) can be connected to each other without using reducing parts.

KIG, KAG, SKG nozzles are most widely used for connecting compressed air hoses. KIG, KAG, SKG nozzles can also be made of brass and stainless steel. The permissible working pressure is 12 bar.