Description:* Heat treated chrome vanadium steel with phosphate finish .* Drive direction is easily changed with the thumb switch.* Direction switch is made of powder metallurgical alloy, high strength and durable to use.* Features a tapered end to line up bolt holes which allows it to work with bolts fast and easy.* Widely used for scaffolding, construction, garage, workshop, home and garden DIY.Specification:Type: 6-PointSocket Size: 17mm, 19mm;19mm, 24mm;19mm, 22mm;21mm, 22mmTotal Length: Approx 315mm / 12.4-inch;Approx 305mm / 12-inchMaterial: Cr-vSurface Treatment: Phosphate finishColor: Black;SilverPackage Content:1 x Ratchet Wrench.