Short Hex Key Set Specifications: Professional tool for commercial or occasional use Manufactured from chrome vanadium steel for strength and durability. Will fit any standard 1/2" drive ratchet / bar etc... SIZES INCLUDE THE FOLLOWING: H4 / H5 / H6 / H7 / H8 / H10 / H12 / H14 / H17 / H19 Satin finish gives added corrosion resistance. Shallow construction Comes in a metal tin for easy storage and transportation. Long Hex Key Bit Set Specifications: Professional set for commercial or occasional use. Manufactured from chrome vanadium steel for strength and durability. Metric sizes Includes 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 14mm & 17mm. 1/2"drive so will fit any 1/2" drive ratchet / bar etc... 140mm total length so ideal for hard to reach areas.