Hazet 850X-4 6-point socket 4mm x 1/4" StainlessStainless steel Considerably longer service life Weathering resistant outdoor use With knurling Made in Germany Wrench size: 4 Total length: 25 mm Drive: Square, hollow 6.3 mm (1/4 inch) Output: Outside hexagon Traction profile Diameter d1 (output side): 6.8 mm Diameter d2 (drive side): 11 mm Net weight: 0.01 kg Safety: Up to 20% higher torque values in the range of HINOX tools (static charge) Having the same hardness, high-grade stainless steel provides better mechanical strength properties than the standard material (31 CrV 3) Safer application / reduction of the risk of injury High quality: Serviceable life up to three times higher as measured in a continuous load test Environmental friendliness: Environmentally friendly fabrication: without surface coating. No allergic reactions due to chemical coatings 850X-4