Custom heat-treated alloy steel blade Nickel chrome finish for exceptional corrosion resistance - See more at: https://www.channellock.com/SD-6A-6PC-Professional-Screwdriver-Set.aspx#sthash.aFutjsFe.dpuf Precision machined vapor blast tip for a precise fit - See more at: https://www.channellock.com/SD-6A-6PC-Professional-Screwdriver-Set.aspx#sthash.aFutjsFe.dpuf High torque acetate handle for superior durability and solvent resistance - See more at: https://www.channellock.com/SD-6A-6PC-Professional-Screwdriver-Set.aspx#sthash.aFutjsFe.dpufBrand new