Durable tool for DT-Swiss 3-pawl hubs, hardened and tempered. Ring nut removal and installation tool compatible with DT-Swiss hubs. Designed for DT Swiss 240 Disc Ring Nut M34x1mm, suitable for Star Ratchet Hub and Three Prong Hub repair. Fits DT 1800, 1900, 350, 240, 180, 1600, 1700, 1501 hubs. For use with all DT Swiss Star Ratchet Hubs for gear ring removal and installation. Suitable for DT 1600, 1700, 1501, 240, 350, 180 hub removal and installation. Note: Some hubs require axle removal before ratchet can be removed with the tool. Made of steel, vacuum quenched, high strength, blackened finish resistant to fading. Precise and uniform tooth shape with 26 teeth for secure fit. CNC machined, ground, and polished for accuracy. Color: Black. Material: Steel. Package includes: 1 x Ratchet ring, 1 x Rear hub removal tool. Only the listed items included; other products not included. Note: Lighting and display differences may cause slight color variation between image and actual item. Measurement error allowance: +/- 1-3 cm.