1、Excellent Chrome Vanadium Alloy Rigid Material: This spline tip bit socket set is made of high quality chrome vanadium alloy steel, with high hardness, wear resistant and long service life. 2、Accurate Manufacturing: This spline tip bit socket set is accurately crafted to ensure that the tip matches the tool, reducing the risk of wear and tear and damage. 3、Storage Case: This spline tip bit socket set comes with a plastic storage case and has grooves in the case to store the batch heads, making it easy to organize and store and reducing the risk of loss. 4、Multiple Sizes: This spline tip bit socket set has various sizes of bits in it, which can meet your different needs, very convenient. 5、Wide Application: This spline tip bit socket set has a very wide application and is commonly used for all kinds of automotive repairs. 1 x 10mm Series Spinner Fitting 3/8 Wrench Adaptor1 x 12.5mm Series Spinner Fitting 1/2 Wrench Adaptor 7 x 10mm Series 30mm Medium And Long Hole Spindle Head 5 x 10mm Series 30mm Medium Length Metric 12 Points Spinner Bit 7 x 10mm Series 30mm Medium Length Hex Spinner Bit 7 x 10mm Series 75mm Long Flower Spinner Bit 5 x 10mm Series 75mm Long Metric 12 Points Spinner Bit 7 x 10mm Series 75mm Long Metric Hex Rotary Tool Head 1 x Plastic Box  Item Type: Spline Tip Bit Socket SetMaterial: Chrome Vanadium AlloySize: Approx. 32 x 14 x 4cm/ 12.6 x 5.5 x 1.6in