Coupling Nut 18-8 Stainless Steel - 12/24 Thread x 3/8 Flats x 3/4 Long Qty-1 Go to amazon.com Related posts Top 16 best coupling nuts 3/4 for 2022 DescriptionCoupling Nut 18-8 Stainless Steel - 12/24 Thread x 3/8 Flats x 3/4 Long Qty-1