9/16-18 Male x 7/16-24 Female Inverted Flare Master Cylinder Brake Line Adapter

Female Inverted Flare 3/16" (7/16-24) x Male Inverted Flare 1/4" (9/16-18). 

Overall Length .83". Hex diameter 1/2". 

This adapter threads directly onto a SAE 3/16" Inverted Double Flare Nut and adapts it to a SAE 1/4" Inverted Double Flare.