Professional Tools1 Year WarrantyChrome vanadium steel correctly hardened & temperedPolished HeadsChrome platedVinyl storage walletFull length chrome vanadium steel spanners with polished jaws. Packed in roll up wallet and display box sizes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 32mm. (Sizes Can Vary)