Description Item B in picture 7 inch clamp that fits all Surge receivers covers. (scroll down for link to lid and gasket) also fits older lay down receiver lids from 1960 - 1999 also fits bottom of Surge Releaser 20181 Replaces GEA Surge discontinued clamp 7750-0027-010 Related Items; 7750-0027-817 Rubber Electrode Cap for Surge Glass Receiver Jar 7750-0028-542 - Short 9 inch Electrode Cap for Surge Glass Receiver jar 7750-0028-543 - Long 11 inch Electrode Cap for Surge Glass Receiver jar 7750-0027-815 - Short Electrode for Surge High Line glass jar 7750-0027-814 - Long 17 inch Electrode for Surge High Line glass jar 7750-0027-813 - Extra Long 21 inch Electrode for Surge High Line glass jar 7750-0025-838 - Electrode 16 inch for Surge Receiver Jar 7750-0025-677 - Electrode for Surge Receiver Jar 7750-0027-893 Short 36 inch electrode Wire Cable 7750-0025-759 Short 26 inch electrode Wire Cable 7750-0025-733 Same as 7750-0025-759 7750-0027-969 Long 96 inch electrode Wire Cable 7750-0025-099 - 24 inch Electrode stainless steel 7750-0027-512 - 8 inch Electrode stainless steel 5/26