22-18awg Red Heat Shrink Permaseal Butt Connectors - 25pk - p/n 19164-0013 $19.75 B00J37987W
16-14awg Molex Blue Heat Shrink Permaseal Butt Connectors - 25pk - p/n 19164-0044 B00J37K0KQ
12-10AWG YELLOW Heat Shrink Permaseal Butt Connectors - 25pk - p/n 19164-0056 $26.63 B00Q71B4SI