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The TengTools 310504BL-C metric hex key 4 mm with ball point is designed for daily professional use. The key is made from durable chrome vanadium steel with a hardness of 52 HRC and features a black oxide finish that provides protection against corrosion. The long arm includes a ball point that allows work at angles up to 25°, making it easier to access fasteners in confined spaces. The short arm has a precisely shaped straight hex profile for optimal grip and torque transfer. The key is marked with the size 4 mm.
The TengTools 310504BL-C metric hex key 4 mm with ball point is designed for daily professional use. The key is made from durable chrome vanadium steel with a hardness of 52 HRC and features a black oxide finish that provides protection against corrosion. The long arm includes a ball point that allows work at angles up to 25°, making it easier to access fasteners in confined spaces. The short arm has a precisely shaped straight hex profile for optimal grip and torque transfer. The key is marked with the size 4 mm.
