8 Piece Metric T-Handle Hex Key SetContains Sizes: 2, 2. 5, 3, 4, 5, 6, 8, 10 mm. Cushioned increases user comfort and reduces fatigue. Handle and blade are welded to create a single piece for maximum durability and strength. Made of premium S2 tool steel for superior durability and corrosion resistance. Delivers up to 33% more torque than ordinary hex keys. Keys 1 8" & 3mm and larger have size permanently laser marked on the key. Packaged in: foam tray