The 21mm bi hexagon socket is commonly used for wheel nuts on various vehicle models and for larger suspension and chassis components. This versatile size bridges the gap between standard and heavy duty applications, making it valuable for automotive technicians and mechanical engineers. Chrome vanadium steel construction with hardened and tempered properties ensures reliable strength, whilst the chrome plating provides excellent protection against workshop corrosion. The chamfered end facilitates smooth fastener engagement, and the spring loaded ball bearing keeps accessories securely retained. Features and benefits bull 21mm socket size for wheel and chassis work bull 1 2 square drive bull chrome vanadium steel hardened and tempered bull chrome plated for corrosion protection contents bull 1 x elora bi hexagon socket, 1 2 sq. Dr., 21mm