Material: special tool steel, hardened and tempered,Surface finish: chrome plated according to EN12540,Double plastic dipped handles.Cone wrench, single sided - 1617/2DPThe design and dimensions of our tools always adapt to new standards and bicycle models. The single sided cone wrench has a 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.OffsetThe design of the offset cone wrench enables working in difficult hard to reach places. This unique design is suitable for assembly and disassembly of nuts on Sun Tour headsets. It is intended to be used together with the single sided cone wrench, product no. 1617/2DP. The new design enables higher torque with reduced force.