Looking for a way to identify leaks, cracks, and voids in metal castings? Smoke Testers & Tracing Dyes from Carey Tools are the perfect solution. Our products are designed to help you find problems with your castings so you can fix them before they become a bigger issue. Order your smoke testers and tracing dyes today and start finding those pesky leaks and cracks! You’ll be glad you did – it could save you time and money in the long run.