Feature 1Made of highstrength alloy steel, rustproof and wearresistant, with maximum durability. 2Accurate design according to original standards, high performance, high quality and good stability. 3Wellmade allplastic tool box packaging, convenient for storage and easy to carry out. 4Master set of multi ribe bits for removing the locking wheel nuts on vehicles, effortless and easy to use. 5Use with 17mm wheel nut socket can have a better impact on quality for alloy wheels air tool.Item Type: Spline BitMaterial: Alloy SteelSize:B51 / 6 ribs B52 / 7 ribs B53 / 8 ribs B54 / 9 ribsB55 / 10 ribs B56 / 11 ribs B57 / 12 ribs B58 / 13 ribsB59 / 14 ribs B60 / 15 ribs B61 / 16 ribs B62 / 17 ribs .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xSpline Bit Kit (12pcs)1 x Tool Box