This is a set of 4 aluminum double row omni wheels. They have been used on a prototype model and show a little sign of use but still have plenty of life left. This wheels come with bearing rollers and lock collars as shown in the picture.
ABS Plastic Multipurpose Enclosures w/ Card Guides 1591 Series
Flame Retardant, General Purpose, Flanged Lid or Bottom
This is a direct drive 4WD base Programmable robot kit that uses Nexus mecanum wheels. It is an Arduino robot platform for indoor robotics. It can vector in any direction. Includes a choice of Arduino for making a great Autonomous Robot.