This listing is for a new bearing retainer installation and remover tool. Compatible with Honda: CRF450R, CRF450X, CRF250R and newer CR25. The retainer tool has 47mm diameter and the tooth width is 4.6mm. Please check your retainer to make sure it will fit. This bearing retainer installation and remover tool is professionally made in the United States on the state of the art CNC equipment with 100% quality inspection. Material: made of high-quality cold rolled steel, which is sturdy and durable. Tool comes with black oxide finish preventing corrosion to assure many years of service. The package includes: 1 x bearing retainer installation and remover tool (as shown on the picture).