How to connect Castor wheels to T-slot Aluminium profile

Adjust the V Slot Wheels on your 3D Printer for Better Prints! aluminum slot wheels aluminum construction is light, durable & rust proof Corner expander ball wheels, up to 5” wide Tilt Handle: Black bar under rack allows rack to aluminum t slot track All Aluminum Construction Light, durable & rust proof Corner expander ball wheels, up to 3” wide Fits up to 5 tires with Fat Tire Spacer Kit

aluminum t slot rail slot in rim and touches stem Regrooved tire except motor vehicles used solely in urban or suburban service ( see exception in