Stainless steel ground rods provide a means of conducting current from a ground wire into the ground. Gibson Stainless offers ground rods in Type 316 SS and Type 304 SS in 8 and 10 foot lengths.Material: 316 SS or 304 SSStandards: ASTM A276, ASTM A479Compliances: Type 304 SS UL Listed for Canada and US (Standard 467)UL File Number KDER.E340519Canada UL File Number KDER7.340519Manufactured in USA