7/8 Do it plastic ball cock coupling nut. Includes rubber cone washer and brass friction ring for use with plain end supply tube. Plastic Ballcock Coupling Nut 413895 Pack of 24. Plastic Ballcock Coupling Nut Pack of 24.Size: 7/8'' Material: Plastic pack of 24. Double check your address when you are checking out, If you have moved, update the address before paying. You are responsible for the address you provide at the time you order. SIM Supply makes no warranties, express or implied, beyond this period, unless otherwise specifically and expressly stated. All items are subject to back order. If you have an issue with an item please contact our customer service team to help resolve the issue. Power Equipment: trimmers, mowers, chain saws, etc. All sales on power equipment are final.