The ZTS 5 is a teardrop shaped anode containing a single, cast in galvanized steel strap. It weighs approximately 5 lbs and measures 3" wide x 1 - 1/4" high x 9" long. The strap is 12" overall. Rating Amps/Year: 0.25. You can weld on or drill holes into strap to bolt on. Made to current MIL A 18001K spec (aka ASTM B-418 Type 1)   B001QUZ7NI