Product Description - 15 and 23 mm wrenches The has a jaw width of 15 mm and 23 mm. It is used for the assembly and disassembly of cone bearings or for adjusting the bearing clearance. Made of hardened steel, the tool is particularly robust and durable. Specifications:Function:installation & removal of cup & cone bearings, bearing play adjustmentTool Type:wrenchType:cone wrenchSize:15 mm, 23 mmTechnical Information:Material:steelFeatures:stable and durable due to hardened steelManufacturer Number:Y-3C228000 Contents:1 x Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com