3M™ Highland™ Vinyl Insulated Female Disconnect Terminal FDV18-187Q, AWG 22-18, 25/bag, 10 Bags/Case. 3M™ Highland™ Vinyl Insulated Butted Seam Female Disconnect has dents and rolled edges to offer superior holding force while allowing for quick and easy disconnect. The terminal has a vinyl-insulated, butted-seam barrel and withstands temperatures of -40 to 221 degrees F (-40 to 105 degrees C). Its durable brass construction offers good conductivity and a tin-plated finish resists corrosion.