This is a set screw lock collar. It is for a 0.625 or 5/8 inch shaft. They are steel and zinc coated. Perfect for keeping your shafts or bearings in place.
Shaft Collars (sometimes called lock collars) are easy to install; the collar provides an easy way to keep your shaft from sliding or your flanged bearing from coming out.
This is a direct drive 4WD robot kit that uses Nexus mecanum wheels. The mecanum wheels allow it to vector in any direction.
Out of the box, the SyRen 25 motor driver can supply a single DC brushed motor with up to 25A continuously. Peak currents of 45A are achievable for a few seconds. Made by Dimension Engineering.