Quantity   Component name
1 × Base
1 × Head
1 × Top
1 × Gearwheel 20 teeth
1 × Gearwheel 19 teeth
2 × Needle Roller Thrust Bearing 40x60x3mm
2 × Roller Bearing 8x22x7
2 × Roller Bearing 8x22x7 with stop
6 × Screw M3x10
4 × Screw M3x20