3M 12-10 AWG MULTI STUD HEAT SHRINK RING TERMINALS WIRE CONNECTOR #6 #8 #10 STUD

3M dual-walled polyolefin tubing with a special advanced adhesive sealant and an electro tin-plated copper core to prevent corrosion. MADE IN THE USA. These are not like imports with brass or tin cores that will break or loosen prematurely.

eBay