163102-100 QuickCable Premium Nylon Double Crimp Ring Terminal 4-6 Stud 22-18 Gauge Red (100 Count) - Designed for heavy duty applications to resist vibration and moisture. Tin plated annealed copper for improved corrosion resistance, maximum conductivity and crimp strength. Tab / Stud size 4 and 6,Designed for heavy duty applications to resist vibration and moisture,Tin plated annealed copper for improved corrosion resistance, max conductivity and crimp strength,3 part construction contains: inner lug, additional copper sleeve for added strength, crimpability and seamless outer nylon cover,Serrated barrel for greater wire retention/ pullout strength,Operating temperature range from -67º to 221ºF (-55º to 105ºC),Rated 600V