D-436 Series Heat Shrink Butt Splice Connector 20-16 AWG (M81824/ 1-2 Equivalent), Waterproof Insulated Connectors with Copper Splice Connectors and PVDF Heat Shrinkable Tubes (D-436-37 - Package Content: 20 x Heat Shrink Connectors, Cable Cross Section 4., 0-6., 0mm² (12-10AWG), Max Current: 48A - Equipped with polyolefin adhesive, so that the cable connector is completely sealed against air, water and moisture after crimping on the wire ends and heating. Butt connectors can be used in automobiles, ships, electrical appliances, aircraft, household appliances, electronics industry and other fields. Bulk Connectors Pack Heat Shrink Butt Crimp Connectors 12-10AWG Waterproof Seal Crimp Terminals 100x 12-10 AWG Cable Connectors 22-18 AWG Red 0.5-1.5mm Insulated Ring Eye Crimp Cable Terminals Heat... - These butt connectors use solid seamless copper ferrules. The shrink connector is made of thick copper tube, which is highly conductive, stable and durable, so you don't have to worry about opening and slipping. CESFONJER 30pcs 12-10AWG Waterproof Wire Connector Yellow-Crimp Butt Splice Terminal Kit - Heat - Colour coded heat shrink tubing allows quick butt connector size recognition for any application.