This is the hex nut that you will need to connect your tail piece barb to any faucet shank.
Please note: Starting in September 2023, I will no longer be able to accommodate local pickup and drop in sales during the weekday evenings. We will only be open on Saturdays between 10am and 3pm. Sorry for any inconvenience. If you need your order sooner, contact matt@eastcoasthoppers.ca and I will do my best to make arrangements to get your order to you as soon as possible. This does not affect online orders.