TUSK 9pc HEX IMPERIAL (inch) KEY SET: A long arm alien key set for loosening and tightening HEX head alien screws. Manufactured from S2 steel for excel lent strength and wear & rust resistance. Ideal tool for mechanical and home applications. Ball end design allows you to work effortlessly on angles up to 25° enabling you to gain access to screws in difficult and tight spaces. Indexed folding tool holder with high visibility colour-coded keys for easy size selection, easy storage and portability.