The seat can be made from high or low density foam or polypropylene, and is to provide the user with comfort, for example, while performing maintenance on a vehicle.
Drawer
Many seats feature a drawer for the user to store tools and keep them close at hand.
Seat on wheels tray
Most seats on wheels are fitted with a tray, again for the user to place tools and other items while carrying out tasks.
Seat on wheels frame
The frame supports the weight of the user and joins the main components of the tool.
Castors
Castors are wheels designed to fit onto the bottom of larger objects. A seat on wheels can have three or more castors fitted to the base of the frame that swivel 360 degrees to permit easy movement.
Locking castors
Some seats on wheels come with locking castors, which enable the user to lock each wheel so they do not move. This will stop the seat from rolling when you want to perform maintenance in one area.
Seat on wheels adjustable seat lever
Some seats on wheels contain a lever that enables the user to adjust the height of the seat.