The 14RB-250F is a Female Disconnect made of brass with electro tin plated finish and blue vinyl insulator. Unique construction of the female disconnect offers long-term dependability. Brazed seam serrated barrel provides maximum tensile strength. The Sta-Kon? disconnect features complete line of installing tools, engineered to match tool with terminal and funnel-entry insulators enable easier inserting of wire into barrel. The female disconnect terminal accommodates a range of 22 to 10AWG.