Designed for craft enthusiasts and maintenance professional seeking stable, tool-less required solution for emergencies pipe repairs or routine plumbing upgrades Crafted with leads release, environmentally compliant brass, it safeguards water for families while providing industrial grade durability in compact pipe joint systems Perfectly suited for pressurized water / lines in residential settings, this sturdy brass coupling maintains secure connection under extreme operational stress Its tool release quick connection design allows instantly installation across multiple pipe diameters ( 3 / 16 ") without requiring adapters, streamlining repairs for household and professional applications Engineered with premium brass for resistance and leak proof sealing, this 3 / 16 " brake line fitting ensures long lasting in high pressure plumbing systems, Manufacturer: Zeizafa