Featuring a red and black plastic cap design, this battery terminal offers enhanced protection. Includes one positive battery terminal and one negative battery terminal; output gauge can be adjusted using bolt and nut. Constructed from high-quality ABS and tinned copper for reliable and durable performance. Dimensions: 6.5cm x 2.8cm x 2cm (2.56" x 1.1" x 0.79") Thread diameter: 8mm (0.3") Battery positive terminal hole diameter: 18mm (0.71") Battery negative terminal hole diameter: 17.5mm (0.67") Compatible with 6V and 12V batteries; red indicates positive pole, black indicates negative pole. Item Name: Battery Terminal Material: ABS, Tinned Copper Features: Good conductivity, durable, includes protective cap Note: Due to lighting and screen setting variations, the actual color may differ slightly from images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Positive Battery Terminal 1 x Negative Battery Terminal