4-piece set stahlbus Bleeder … 4-piece set stahlbus Bleeder valve M10x1.5x20mm, steel with blue dust cap 4-piece set stahlbus Bleeder … 4er Set M10x1.5-L (thread length 20mm) with blue cap × 4-piece set stahlbus Bleeder valve M10x1.5x20mm, steel with blue dust cap