Discover The Matair Impact Wrench Ind 13Mm – Your Go-To Solution For Reliable Performance In Workshops And Homes. The Matair Impact Wrench Industrial 13Mm (1/2") Is A Powerful Tool Designed For Heavy-Duty Applications. This Impact Wrench Features A High Torque Output, Fast Free Speed, And Compact Design, Making It Ideal For Various Industrial And Construction Applications. Key High Torque Output: Maximum Torque Rating Of 432 Nm (320 Ft.