I bought this off the Cornwell Truck awhile back, It's a "plain box" Whiteside (A little different but still basically the same) & believe it or not....A little cheaper than what a Whiteside one retails for.
If you work on trucks....Especially lifted or 4WD Dodge/Ford Trucks, It's a life saver! You step-up on it & put your chest/torso on the pad.
Used it today on a 1998 Chevy 1500 which is one of the lowest 1/2 ton trucks around. It's a little tall in it's lowest setting but I have long arms. Getting to the distributor hold down & fuel line nuts was easy.
Taller trucks is where it really shines!