2x Pressure washer LOCK ON hose fittings WILL NOT BLOW OFF! - standard 1/2" hose

PRESSURE WASHER LOCK-ON HOSE FITTINGS – FITS STANDARD 1/2" HOSE. To use, simplypush the connector onto the hose fitting and twist the outer collar. This locks the connector in place so it cannot be removed unless the process is reversed.

eBay