A pair of universal positive and negative car battery terminals. Made of premium quality materials, reliable and durable. Quick release car battery connectors: easy and convenient. It is designed for users who need to change the battery often. Red color number is positive, black is negative, easy to identify the red and black cover to avoid the risk of electric shock. This is the universal battery terminal for the inner diameter of +Pole: 17MM, -Pole: 16MM of battery pile head. With cover, which has great flame-resistant performance, insulation and dustproof for safe use. Quantity: 2 pcs (1 Positive, 1 Negative). Features:< /p> Ideal for batteries installed in tight spaces. These are round batteries for conventional terminals only. Suitable for most vehicles to use , and copper has good conductive performance, and its softness is good, the terminal does not break, anti-corrosion. Specifications: Material: plastic and metal p> Color: red and blue Quantity: 1 pair Inner diameter (positive): 17mm Inner diameter (negative): 16mm< /p> Package Contains: 1 * pair of battery terminals (one is red and the other is black) Purpose: Providing customers with quality products and services is our commitment. To meet customer needs is our unremitting pursuit. Your feedback and comments: Your comments and reviews are our greatest motivation to provide quality products. We look forward to your comments and suggestions.