avy-duty augers, but they are not universal for every brand or model. Please compare the mounting width, hole spacing, and square hole size with your original cutting edges before purchasing. Q: Are mounting screws and nuts included? A: Yes. The package includes 4 matching screws and 4 matching nuts for installation. Q: What equipment can these cutting edges be used with? A: They are commonly used with 3-point post hole digger augers installed on tractors and skid steers. Q: What material are these auger teeth made from? A: The cutting edges are made from durable carbon steel for improved wear resistance and long-lasting digging performance. Q: Can these replacement teeth help improve digging performance? A: Yes. Replacing worn cutting edges can help improve soil penetration and restore digging efficiency in hard or compact ground conditions. Q: Is drilling or modification required for installation? A: No additional modification is normally required if the mounting dimensions match your original auger teeth. Q: What should I check before ordering? A: Please verify the mounting area size, hole spacing, square hole dimensions, and overall shape of your original cutting edges to ensure compatibility. Package Includes 4 * 3 point auger cutting edges 4 * matched screws 4 * matched nuts At ATRACYPART, we take pride in the quality of our products and in your satisfaction. If you have any problems, do not hesitate to contact us.