Features: This is a pair of industry standard electrical connectors for your RC vehicles. These solder on connectors are ideal for use with batteries which do not come with connectors, or the other electrical system components of RC vehicles. The product have a very low internal resistance as compared to their competitors (see), solid and durable. Material: plastic and metal (gold plated). Male plug dimension 13.0mm x 7.5mm x 19.0mm. Female plug dimension 13.0mm x 7.5mm x 15.0mm. Package Contents: 10 Pairs T Plug Male and Female Connectors We Commitment: One-year Guarantee Quality After-sales Service.