Sealey Hex Socket Bit 4mm 3/8" Square Drive

The Sealey 3/8" Drive 4mm Hexagon Socket Bit (Model SBH007) is the smallest size in this professional range, perfectly suited for precision work on compact fasteners and confined spaces. This 4mm variant is particularly useful for electronics enclosures, small appliance repair, and intricate mechanical assemblies where smaller hexagon fasteners are commonly found. Constructed from forged Chrome Vanadium steel with an S2 steel bit, this socket delivers reliable performance despite its compact dimensions. The heat-treated construction and chrome-plated mirror finish provide excellent corrosion resistance, whilst the knurled ring ensures you maintain control even when working in challenging, oil-contaminated environments. The 3/8" drive fitting offers versatility with standard ratchets and extension bars. Features and Benefits: • 4mm hexagon bit size for precise work on smaller fasteners • Forged Chrome Vanadium steel with S2 bit for exceptional durability • Heat treated and chrome plated