DescriptionRetention KnobsRetention knob without through-hole DIN ISO 7388-3 form AFDiameter: 19 mmGeneral notes about the seriesVersionRetention knob without through-hole DIN ISO 7388-3 form AFTechnical data AZB SK40-15° ISO 7388-3 AFID:9150117Ø D1 [mm]:19D2 [mm]:14D3 [mm]:17L1 [mm]:54L2 [mm]:26L3 [mm]:20Angle W [°]:15G1:M16Weight [kg]:0.122