Pair the Extreme Max T-25 Stud Wrench with any Extreme Max stud set to maximize the ease and comfort of stud installation. Extreme Max is more than a brand. It's a way of life. It's the expectation that your outdoor gear will withstand high speeds, low temperatures and deep powder; long days in the water and sun; or muddy rough-and-tumble terrain. For every outdoor extreme, we have the equipment. Extreme Max. Do more outdoors.