GP Carry
GP Carry is a trolley capable of smooth transportation over flat surfaces, such as on stage or within a floor.
It places no burden on the piano legs and casters, and as the wheels are based on urethane rubber, so it does not leave noticeable tracks on the floor.
Improving frame strength and changing the structure of the base improved the product by reducing swaying to the front-and back by half of what it used to be.