Brass Neutral Link:- we are leading manufactures of Brass Neutral Link . Material:- Brass BS-249, Brass IS-319 Free Cutting Brass CZ -360 High Grad brass & any special brass material composition as per customer specifications. Threads:- UNEF Threads NPTF Threads NPT Threads BSP Threads BSPT Threads Metric Threads & any special threads as per customer specifications. Finish: Natural Brass Chrome Nickel Plated & any special finish/platting as per customer specifications. Use With: Copper Tube Brass Tube Aluminum tube