The Milescraft KneeBlades are designed for any job where you are required to be on your knees. The high quality KneeBlades allow for more balance, flexibility and mobility. The three-wheeled mobile base allows for full 360° turning capability, without lifting from the floor. The close to the ground design minimizes back stress. With the push of a button, you can go from KneeBlade to knee-pads. The are great knee pads for work.