Chrome molybdenum steel jaws. Greater durability and strength, maximum cutting capacity 160kg/mm2 at 10mm ø. Ergonomic handles with covers to facilitate the grip. Resistant to the most common solvents. Eccentric screws with protection system against unscrewing. Forged joints to increase durability. Phosphate-plated jaws and yellow handles for easy locating in the toolbox. GSA AA-3047 Regulation