The BE 85.300.108BEP is a heavy-duty 3/8" Quick-Connect (QC) brass coupler engineered for high-flow pressure washing applications. Featuring 3/8" Male NPT (MNPT) threads, this coupler is designed to be screwed directly into the female outlets of high-pressure pumps or industrial spray guns. Constructed from high-quality, corrosion-resistant brass, it provides a secure, leak-free connection for systems operating up to 4,000 PSI. The spring-loaded "Sure-Lock" sleeve ensures rapid, tool-free hose changes, making it an essential component for professionals who need to maximize efficiency on the job site.