Pitsco Education 36466 Tetrix MAX Omni Wheel, 4" (Pack of 2) Go to amazon.com Related posts Top 15 recommendation pitsco wheels for 2022 Top 6 recommendation pitsco education 2022 FeatureAbility to drive forwardAbility to drive laterally10 Rollers DescriptionWith the use of 10 rollers, these wheels have the ability to drive forward and laterally. Available 4" sizes.