The wall thickness of the lower 3″ X 3″ base tube Super Duty is 1/4″ thick. Included with the Super Duty Hitch is a welded steel hook to the top of your receiver hitch for quick and easy pulling power. The hook makes it easy to attach a rope or chain to your hitch without having to mess with other attachments. The Category 2 Dual Receiver Three Point Hitch Adapter has a vertical and a horizontal 2″ receiver allowing it to work like a gooseneck hitch for those who don't need a weight carrying hitch. Comes standard SUPER DUTY Select your color: Green, Black, Orange, or Red. Made in the USA with American made steel Solid American made steel so you can be ensured your hitch will last for many years Constructed of 3/8″ thick steel plate and 3″ square box tubing…no cheap angle iron and straps! Works with OR without quick hitch systems…can be used on three point hitch alone Product is made in the USA (Minnesota) so you are guaranteed top quality Welded by certified welders to ensure quality, durability and safety Customer support is only a call or email away if you need assistance