Features: Make of Tins plate copper, which are Enduring and strong, and have nice electrical conductivity, heat resistance and corrosion resistance. Each copper lug is engrave with its wire gauges, easily to quick reorganize, so you can throw them in your tool box, and not have to worry about size getting mixed together. Flared opening allows for easy insertion of the stripped wire and cannot fall out of the copper lugs after crimping or welding,ensuring a secure and solid connections. Terminals with heavy duty constructions improves highly temperature durability and ensures connection reliability; highly standard flared opening for easy wire insertion. Suitable for distribution box, marine, vehicle, motorcycle, boats, trolling motors wiring, and other household appliances, such as power distribution cabinets, automobiles, electrical industry and more. Specifications: Materials: Tins plate copper Color: Gold/Silver Size: As shown in the picture Package Includes: 5Pcs SC25-8 Terminals 5Pcs SC25-6 Terminals 5Pcs SC16-8 Terminals 5Pcs SC16-6 Terminals 10Pcs SC10-8 Terminals 10Pcs SC10-6 Terminals 10Pcs SC6-8 Terminals 10Pcs SC6-6 Terminals note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.