Great tools, made properly. At TrigJig Tools we design and build precision marking and measuring hand tools for carpenters, woodworkers, metal fabricators, roofers and many more trades. As quality and craftsmanship are paramount in both your work and ours. We only ever use the highest quality materials and design and machine all of our tools at our own premises. To ensure we can guarantee the highest standard of workmanship for each and every product. From concept through to the finished article.