Brass thread nut Thread size: (female)15mm/3/8bsp(d); product name: hex nut pipe Material: brass; weight: 19g Package content: 5pcs x hex nut pipe; main color: brass tone Hex size: 21mm/0.83"(w) Thickness: 3mm/0.12" Description:female thread inside, brass material, hex nut.Used widely to connect the thread pipe and hose, is easy to install.Kde21mm15mm23mm No order is too small. There are much more items than we can listed here and most of them we have in stock for immediate delivery to your door, worldwide. Mix and match is available to give you flexibility and save shipping cost. Small businesses, such as property management companies, park districts, plumbers, contractors, hvac-r technicians, etc. Are especially grateful for our service patience and wide selection.