I am thinking about buying a Jack for my Wing. I got it narrowed down between the Black Widow Model and the Harbour Frieght Model. They both are about the same as far as specs goes and only $10.00 difference in price. They both can handle up to 1500 pounds. My question is that has anyone used either one of these and if you have is it worth the money? The prices are around $100.00 for the Black Widow and $90.00 for the Harbour Frieght. I would appreciate the input.