The Sealey 4mm hexagon socket bit (Model SBH002) offers versatility for general workshop tasks and light assembly work. This 1/4" drive socket bit features a forged Chrome Vanadium steel socket housing a hardened S2 steel bit, delivering reliable performance across a wide range of applications from furniture assembly to light automotive work. Heat treatment ensures the socket maintains its structural integrity under repeated use, whilst the chrome-plated, mirror-polished finish provides excellent corrosion resistance and easy cleaning. The practical knurled ring design gives you secure grip even when working in less-than-ideal conditions, ensuring you maintain control throughout the job. Features and Benefits:4mm hexagon bit size for versatile applications1/4" drive fitting works with standard ratchetsForged Chrome Vanadium steel for lasting strengthHardened S2 steel bit resists wearChrome-plated mirror finish resists corrosionKnurled ring for enhanced gripLifetime