Review on Extreme Max 5001 5490 108 Stud Backers by Matthew Hawkins

According to my experience, these backer studs are not suitable for use in automotive applications. While they are designed for heavy-duty equipment, they do not hold up well under the stresses and strains put on them in a car or truck. The only pro is that they may work well in other types of machinery. However, the major con is that they simply do not do the job they are intended for in the automotive industry.