LEGO Part 3705 Technic, Axle 4 [Black] (370526) | iBricktoys: LEGO shop guide and database
Technic Axles - LEGO® Technic Axle 4 L With Stop - 3.2 cms - The shop Briques Passion
Lego Technic Axle with stop/stud | 3D CAD Model Library | GrabCAD
Amazon.com: LEGO TECHNIC 100 pcs BLACK AXLE SIZE 4 STUDS STUD LENGTH Cross Rod Short Mindstorms robot motor part piece 3705 NXT ev3 robotics : Toys & Games
87083 LEGO Parts~(4) Technic, Axle 4 with Stop DARK BLUISH GRAY | eBay
Micro Metal Gearmotor to LEGO Axle Adaptor (4pk) - RobotShop