3M™ Performance Plus Wire Connector R/Y+JUG, 500 per Jug

2#18-2#8-5#12 AWG, Red with Yellow skirt, 500 per container, 4000 per case

R/Y + replaces both red and yellow wing style connectors. This simplifies selection of the right connector for a wide range of wiring jobs. There's also less inventory to manage, and a better chance you'll have the connector you need to do every job.