DescriptionFeatures and Benefits:Made of high quality steel (chrome-molybdenum)Friction ball is a spring loaded ball that lines up with the socket retainer holeEngineered specifically for use with impact tools, using the most up to date industrial specificationsHeat treated for strength and durabilityBlack oxide coated for resistance against rust and corrosionEach socket extension is thoroughly made with the correct balance of strength and durability and is tested to the highest specifications to deliver outstanding performance at the most competitive cost.
English