The lezyne hex kit is a professional set of hex wrenches for shop or home the nine piece hex kit is a professional quality set of hex wrenches ideal for shop use or the home mechanic each bit is formed from high strength extremely hard chrome vanadium steel and treated with a super durable chrome finish the holder folds open for easier access to the tools and it has built in holes for hanging the set includes a 15 2 25 3 4 5 6 8 and 10 mm l shaped bit with a spherical tip and each