3M™ Highland™ Nylon Fully Insulated Female Disconnect Terminal FDI14-250Q accepts a wire range of AWG 16-14 and has a stud size of .250. It is attached to male disconnect with the tongue slipping over male tab. The use of dents and rolled edges on the female part provides excellent holding force while allowing easy and quick disconnect. The terminal has a fully insulated, nylon, butted-seam barrel and withstands temperatures of -40 to 221 degrees Fahrenheit (-40 to 105 degrees Celsius). Its durable brass construction offers good conductivity and a tin-plated finish resists corrosion. 3M™ Highland™ Nylon Fully Insulated Female Disconnect Terminals are UL Listed and CSA Certified.3M Highland Terminals, Disconnects and Connectors are for use in the assembly and maintenance of electrical systems. The terminals offer effective and reliable performance in a variety of general applications. Available in low quantity and reclosable bags, 3M Highland Terminals are the optimal choice for smaller jobs.