Jet 775184-9-Piece Metric Ball Nose Hex Key Set Hydraulics Tools Made with high quality carbon

Made with high quality carbon steel wire for long life

Extra heavy duty cast head design is 20-Percent stronger than competitive brands

aggressive brushing action is required on confined surface contact areas

Aggressive fast spiral reamers made of high tungsten tool steel for maximum life

fully enclosed and lubricated

Jet 775184-9-Piece Metric Ball Nose Hex Key Set Hydraulics Tools Made with high quality carbonLong arm series allows access into tough spots and more torque on the fastener , Ball nose design allows engagement of fastener at up to 25 Degree angle , Precision chamfering for ease of insertion , Industrial heat treated Chrome Vanadium steel , Convenient carrying case keeps hex keys organized