Image WS-Series Heavy-Duty Wingstyle Coupler Seal Kit Jump to Section Product Options Related Products Product Options Part Number Body Size Seal 6WS-SKIT 3/4" Nitrile 8WS-SKIT 1" Nitrile 12WS-SKIT 1-1/2" Nitrile 16WS-SKIT 2" Nitrile Related Products Image WS-BOP Series Heavy-Duty Wingstyle Female Threaded Coupler Image WS-Series Heavy-Duty Wingstyle Female Threaded Coupler