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.
 
9PC FOLDING IMPERIAL BALL END HEX KEY SET - used for repair, manufacture or assembly projects. Contains all most common IMPERIAL hex key sizes. Compact size for easier transportation when folded. Heat treated chrome vanadium steel keys with black oxide coating for max durability & corrosion resistance. 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4