S Pro 25 Piece Hex Key Set     From RS PRO, this high-quality hex key set is a handy way to keep differing allen key sizes all in one place. With both long and short arm keys, in metric and imperial sizes, the set prepares you for a variety of hex driving eventualities. Supplied in a handy plastic holder, the keys are portable, neatly organized and ready for any task. The long arm L-wrenches are ideal for deep-set bolts. The twenty-five-piece key set is corrosion resistant and is made from chrome-finished vanadium steel, for a long and dependable tool life.