50pcs Rigid coupler shaft coupling D20 L25mm 5mm to 8mm size 3 4 6mm 6.35mm 1/4" .25inch 7 3D Printer Parts T8 lead screw |
50pcs Rigid coupler shaft coupling D20 L25mm 5mm to 8mm size 3 4 6mm 6.35mm 1/4" .25inch 7 3D Printer Parts T8 lead screw |