Features: 1. Heat treated chrome vanadium steel making them strong and durable. 2. The packaging make it easy to read size identifier to provide easy identification and fast selection. 3. 9 different sizes to choose, convenient and practical. 4. Unique packaging, convenient and portable to carry. 5. This product not only the basic star head but the hollowed out ends also provide the ability to be used on the specialty security star head. Specifications: Material: Chrome-vanadium Steel Surface treatment: Chrome-plate Size: T10, T15, T20, T25, T27, T30, T40, T45, T50 Weight: Approx. 300g Package Included: 9 x Standard Star Hex L-shape Wrench 1、Heat treated chrome vanadium steel making them strong and durable 2、The packaging make it easy to read size identifier to provide easy identification and fast selection 3、9 different sizes to choose, convenient and practical 4、Unique packaging, convenient and portable to carry 5、This product not only the basic star head but the hollowed out ends also provide the ability to be used on the specialty security star head