Aluminum shaft anode with 2 halves and stainless steel hardware. Ersätter OEM X40 Nuts are pressed into the casting and bolts are captured with plastic retaining washers to easy assembly. Performance Metals Navalloy® aluminum anodes are manufactured to the military specification MIL-DTL 24779 and are suitable for use in all water types- salt, brackish or fresh. Anode includes the exclusive, patented “red spot” wear indicator. Dimensions: A - 40mm (1.57") B - 83mm (3 1/4") C - 73mm (2 7/8"
