The long 1324720 bucket teeth are made to OEM specs and quality of Caterpillar 277 287 297 287B teeth and come with the proprietary nut and bolt. This is a package of 8 sets of 1 1324720 bucket tooth, 2 nuts, and 2 bolts. The high hardness tooth is perfect for your high power ground engaging machines digging hard dirt, gravel, or sand. The Unitooth requires no retainer or extra welding. Simply drill into your bucket edge and secure the bolts to start digging.