While the M520 lacks the flash of premium options it does basically the same thing for a small weight penalty in a package that'll take years of abuse.

Take a closer look at the intricate process of making super-large hex nuts in a factory ... Witness the creation of these heavy-duty nuts, built to withstand the toughest challenges!

Decker Manufacturing Corporation manufactures hex nuts, weld nuts, pipe plugs, and other industrial fasteners to the automotive, agricultural, farm implement, heavy duty equipment, and ...