Ensure precision in your automotive maintenance with the OEMTOOLS Feeler Gauge set. This essential tool features a range of blades to measure spark plug gaps and other small clearances with high accuracy. The set includes three pieces, each designed for performance and custom fitment types, accommodating a variety of engine sizes and styles. Crafted with durability in mind, the blades are marked with measurements from 0.004 in. to 0.006 in. (0.102-0.15 mm), providing the accuracy you need for proper engine tuning. The OEMTOOLS brand is known for quality, and this product is no exception, coming with a lifetime limited warranty for added peace of mind.