About this 3D model

All you Need: 1x M6x50 Bolt (M6x50 Schraube) 1x M6 nut (M6 Mutter) 2x Messing Pipe 4mm x 0.5 mm (Messing Rohr) 2x Messing Round Profild=2.9mm (Rundprofil) 2x the quill of a pen (Feder eines Kugelschreibers)