The long 1358203 bucket teeth are made to OEM specs and quality of Caterpillar 305CR 304.5 & 304CR teeth and come with the proprietary nut and bolt. This is a set of 4 teeth, 8 nuts, and 8 bolts. The high hardness tooth is perfect for your high-power ground engaging machines digging hard dirt, gravel, or sand. These teeth require no retainer or extra welding. Simply bolt on to the bucket lip to start digging.