DescriptionRetention KnobsRetention knob DIN ISO 7388-3 form JFDiameter: 23 mmGeneral notes about the seriesVersionRetention knob DIN ISO 7388-3 form JFTechnical data AZB JIS-BT50-30° MAS 403ID:9938230Ø D1 [mm]:23D2 [mm]:17D3 [mm]:25L1 [mm]:85L2 [mm]:45L3 [mm]:35Angle W [°]:30G1:M24Weight [kg]:0.075