The FELO Series 400 Ergonic Flexi Nut Driver is a professional-grade socket driver with an 8.0mm hex socket and 170mm shaft, featuring a flexible design to reach awkward angles and confined spaces. The 3-component Ergonic handle provides superior grip comfort and reduces fatigue during extended use, while the precision-engineered tip ensures reliable engagement with fasteners. Ideal for electricians, panel builders, and mechanical engineers working on switchboards, control panels, and industrial machinery.