Disagree on the 'made of solid steel', my father is a woodworker/painter/decorator, aluminum is enough, he doesn't move gravel or stone. Fully gree with full o

Disagree on the 'made of solid steel', my father is a woodworker/painter/decorator, aluminum is enough, he doesn't move gravel or stone. Fully gree with full of tie down points. Even in car trunks, you need more tie down points. Let me insure my stuff won't fly if I take a sharp turn, please!