162458-1000 QuickCable Nylon Insulated Female Quick Disconnect 0.250" 12-10 Gauge Yellow (1000 Count) - Designed for heavy duty applications and superior performance. Tin plated annealed copper for improved corrosion resistance, Maximum conductivity and crimp strength. Serrated barrel for greater wire retention/pullout strength. Operating temperature range from -67º to 221ºF (-55º to 105ºC). Rated to 300V.