Sealey 3/8" Drive Hexagon Socket Bit 3/8" 4mm

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 dim