Hilitchi 50Pcs Nylon Insulated Heat Shrink Butt Terminal Electrical Wire Crimp Connectors (Red/22-16AWG) High Quality Waterproof Heat Shrink Butt Terminals Connector Packing: 50PCS, Type: Butt Terminals Color: Red A.W.G.: 22-16 , Wire range: 0.5-1.5mm Material: Copper + PE