This specialized drill bit is designed to effectively repair and prevent the spread of cracks on windshields. Crafted with precision, it smoothly creates a small hole at the end of a crack, relieving stress and halting further damage. Ideal for both professional auto repair shops and car owners, it offers an easy-to-use solution for maintaining windshield integrity. Its durable construction ensures long-lasting performance, making it an essential tool for quick and efficient repairs. I'm sorry, but it seems there are no relevant attributes related to product components in the list provided. If you have more detailed attributes for the product, please share them for further assistance. Manufacture country: China Instructions included: No