【High-quality material】 A pair of battery terminal adapters is made of high-quality brass with high hardness, exquisite workmanship, durable, corrosion-resistant, and rust-resistant, and can be used for a long time. Reliable material, so you don't have to worry about quality. 【Stable performance】 Our pair of M8 brass battery adapters has good conductivity, which reduces voltage distortion and transmission loss, improves battery performance, and is the best replacement for defective terminals. 【Easy to install】 The surface of the pair of M8 battery terminal adapters has a non-slip, ridged design. You can install the replacement unit directly without tools. The large one is used for the positive battery terminal, and the small one for the negative battery terminal. It can be firmly attached to the battery terminal. 【Dimensions】You will receive a pair of M8 male battery terminal adapters with 8 mm internal and external threads, 17-19 mm positive terminal and 15-17 mm negative terminal,