1000 in 1 DIY Terminal Connectors 1. Material: copper and plastic 2. Crimp blocking, without welding. 3. Easy to install. 4. Solid brass for superior conductivity. 5. Great for light-duty electrical wiring, audio, speaker, automotive/marine, small batteries. 6. Packing list: 2.8 mm Female Crimp Terminal x 50 4.8 mm Female Crimp Terminal x 50 6.3 mm Female Crimp Terminal x 50 2.8 mm Male Crimp Terminal x 50 4.8 mm Male Crimp Terminal x 50 6.3 mm Male Crimp Terminal x 50 2.8 mm insulating sleeve for female connector x 50 4.8 mm insulating sleeve for female connector x 50 6.3 mm insulating sleeve for female connector x 50 Insulating sleeve for male terminal x 150 M3 Ring Cable Lug x 50 M4 Ring Cable Lug x 50 M5 Ring Cable Lug x 50 M6 Ring Cable Lug x 50 Connector terminal x 200