Features: Crafted with pure copper tin plated providing a high degree of conductivity for maximum current flow Strong and durable. Rust-resistent. Our tinned copper wire terminal are corrosion free; ideal for marine automotive or outdoor use Convenient and quick installation of battery terminals no need extra tool to install. Adjustable diameterloose the safety lock to adjustable the connector diamater fitting most battery terminal size. Specifications A: Material: Copper Color: as shown Positive terminal compatible size: 17.5-19.1mm Negative terminal compatible size :15.9-17.5mm Specifications B: Material: Copper + tin plated Color: silver Positive terminal compatible size: 17.5-19.1mm Negative terminal compatible size :15.9-17.5mm Package Included: 2 x Battery Terminal 1 x Wrench Do dropshipping Yeswe do.If you have any question please . Production Material Safety All products are 100% brand new workable and checked carefully before sending out. When is the parcel sent We will send out order within 5 workdays. The delivery time will vary according to different countries and will be affected by weather public holidays and so on. If order doesnt received in declare time please .