The 20mm variant is ideal for smaller heavy-duty fasteners commonly found in automotive and light industrial applications. This compact size provides excellent access in confined spaces whilst maintaining the strength required for impact wrench operation. Perfect for routine maintenance tasks and assembly work where smaller metric fasteners are used. Features and Benefits:20mm socket size for smaller heavy-duty fastenersForged chrome molybdenum steel, hardened and temperedChemical blackening for corrosion protectionSupplied with pin and ringFor use with air, electric or manual impact wrenches Contents:1 x Draper HI-TORQ® 6 Point Deep Impact Socket, 1" Sq. Dr., 20mm