200MM 4x6 MM Diagonal Push Rod L200 With Magnetic Ball Joint And Steel Ball For Kossel 3D PrinterFeature:Suitable for:Set of six diagonal rods for Kossel mini 3D printer, magnetic jointsLength of the Push Rod Arm plus connecting balls : approx. 218mm (measured end to end)Weigh per rod with 2 steel ball ends and set screws : approx. 0.015kg/pcPackage included:6 x Diagonal push Rods Arms (ID: 4mm, OD:6mm, Length: 200mm) (please allow +/- 0.05mm)12 x Steel Ball for Magnetic ball joint (Dia: 10mm with M4 Thread)12 x Magnetic Ball Joint (Dia. : 12mm)12 x M4 x 20mm Set Screw