This 13-piece TengTools 1″ impact socket set is an indispensable tool for the mechanical needs of professional maintenance teams, heavy equipment mechanics, and construction engineers. The set is made to meet DIN 3129 standards, crafted from Chrome Molybdenum (Cr-Mo) and includes a range of 8 sizes from 27 to 50 mm. Designed for use with power tools, the assortment of socket sizes and high-torque compatibility make this robust set perfect for industrial assembly lines or maintaining heavy machinery.