Specifications Material Heat treated steel with black oxide finish Long Keys 15 pieces Metric Sizes 0 7mm 10mm SAE Sizes 0 028 3 8 Short Keys 15 pieces Metric Sizes 0 7mm 10mm SAE Sizes 0 028 3 8 Total Keys 31 pieces Additional Component Torque Handle Features 1 Superior Strength and Finish Crafted from heat treated steel with a black oxide coating this hex key set guarantees exceptional strength and prolonged usage in various applications 2 Versatile Usage The set includes 31 keys with both long and short lengths covering a comprehensive range of SAE and metric sizes to meet all your fastening needs 3 Enhanced Leverage The standard drive ends on both short and long keys offer excellent leverage making it easier to work with stubborn fasteners enhancing efficiency and reducing user fatigue 4 Torque Handle Integration For added power the set is equipped with a torque handle which assists in applying extra force particularly during the loading and unloading of fasteners thereby enhancing overall torque performance 5 Organized Storage High visibility size markings on each wrench combined with a sturdy carrying case ensure quick and easy size identification and organization making it convenient to store and transport Package Included 15 x Long Metric Hex Keys 0 7mm 10mm 15 x Short Metric Hex Keys 0 7mm 10mm 1 x Torque Handle1 x Carrying Case