DescriptionRetention KnobsRetention knob DIN ISO 7388-3 form JFDiameter: 11 mmGeneral notes about the seriesVersionRetention knob DIN ISO 7388-3 form JFTechnical data AZB JIS-BT30-30° MAS 403ID:9938228Ø D1 [mm]:11D2 [mm]:7D3 [mm]:12.5L1 [mm]:43L2 [mm]:23L3 [mm]:18Angle W [°]:30G1:M12Weight [kg]:0.069