Image 1 of 1 E-1J Marine Engine Pencil Anode, Complete With End Brass Plug $20.10 Thread: 3/8-16, Length (IN): 5/8, Diam. (IN): 1/2, Plug N.P.T. (IN): 3/8 Add To Cart Added! Thread: 3/8-16, Length (IN): 5/8, Diam. (IN): 1/2, Plug N.P.T. (IN): 3/8 You Might Also Like Quick View E-00C Marine Engine Pencil Anode, Complete With End Brass Plug $6.69 Quick View E-1 Marine Engine Pencil Anode, Complete With End Brass Plug $20.10 Quick View E-2A Marine Engine Pencil Anode, Complete With End Brass Plug $28.02 Quick View E-6A Marine Engine Pencil Anode $46.00 Quick View E-3A Marine Engine Pencil Anode, Complete With End Brass Plug $28.62