Product Description Hub support bush made of nylon to protect the hub during installation/removal of the bearings. Specifications:Function:Installation & removal of cartridge bearingsType:special toolTechnical Information:Material:nylonManufacturer Number:HTT167 Contents:1 x Manufacturer: Hope Mill Calf Hall Road Barnoldswick Lancashire BB18 5PX United Kingdom info@hopetech.com Distributor: bc GmbH Carlo-Schmid-Straße 12 52146 Würselen Germany info@bike-components.de