Unior 1617/2DP Cone wrench, single SidedFeatures material: premium flex plus carbon steel surface finish: chrome plated according to ISO 1456: 2009 double plastic dipped handles The design and dimensions of our tools always adapt to new standards and bicycle models. The single sided cone wrench has remarkable toughness, hardness, durability, and tight fit. The ergonomic shape ensures good functionality. The cone wrench sits perfectly in the hand which makes the work fast and comfortable.