This Seam Tester by Tekmerch is an essential tool for any rooftop contractor. Designed for TPO PVC roofing, it ensures that seams are properly tested for leaks. The sturdy steel material and silver color make it both durable and easy to spot in your toolbox. Whether you're adding it to your existing collection of hand tools or starting from scratch, this Seam Tester is a must-have for any professional contractor.