The AndyMark 4in. Compliant Wheel 1/2 Hex, 4", Durometer 50A is designed for manipulating objects rather than moving robots. It is part of a system that uses multiple wheels on a driven hex axle to create an efficient roller, accommodating variations in the objects being handled. This wheel is characterized by its blue color and a durometer rating of 50A, indicating a moderate firmness suitable for high-performance intakes and conveyors. The wheel's design allows it to operate effectively at varying RPMs, making it versatile for different applications.