Adjustable height can transform into a high-profile type with low-profile type only need to drive down from the machine installed in the chassis right side of the belly, then put on four short legs and tubes and brake lever, on the contrary, the low-profile type is into a high-profile type. 
 2. The machine according to the operator's height and job requirements for height adjustment. 
 3. Rugged workplace, you can adjust the four legs tube length to maintain the level of the machine.