What Fowler products are covered under the new lifetime warranty? The lifetime warranty can be applied to a subset of amazing Fowler and Sylvac metrology products. Certain calipers, indicators, and micrometers all fall under the warranty. These highly utilized precision measurement tools are fundamental to any measurement process. Fowler wanted to show that their products can stand the test of time, and are doing just that by backing each of them with the new lifetime warranty. The specific products available with the lifetime warranty include: Mark VI Electronic Indicators (with Integrated Bluetooth Technology or with Analog display), the Ultra-Cal V Electronic Caliper, and the Rapid-Mic Electronic Micrometer. Each of these tools come in a range of sizes and models and every one of them can be covered with a lifetime warranty.