The Force T Shape Hex Key 4.0Mm Is A Hand Tool Designed For Driving Hexagonal Fasteners, Commonly Known As Allen Screws. Its T-Handle Shape Provides Increased Leverage And Torque, Making It Suitable For Applications Requiring Higher Force Or In Confined Spaces Where A Standard L-Shaped Wrench Might Not Fit. __ Product Overview Size: 4.0Mm Hex Handle Type: T-Handle Material: Typically Made From Chrome Vanadium Or Chrome Molybdenum Steel For Durability Finish: Often Features A Corrosion-Resistant Coating Length: Varies; Typically Around 100Mm Usage: Ideal For Automotive, Machinery, And General Maintenance Tasks