Includes both positive and negative post connectors, includes battery terminal covers; one red and one black, all in one kit for multiple battery installations (battery cable not included), use to replace worn out or corroded battery terminals and covers. Features - Color: As shown. - Size: 6.6 x 2.3 x 2.2 cm/2.6 x 0.9 x 0.87 inch. - Material: Brass. - Positive aperture: 17-19mm. - Negative aperture: 15-17mm. - Applicable models: , batteries, etc. - Function:Connect battery and battery line. - Each terminal can hold multiple battery cable leads,thread already on terminal, to make it faster and easier on installation. - battery terminal comes with a positive or negative adapter,wide application in ship boat small yacht truck car vehicle,simply select cable length and cable lug mounting hole diameter for cable ends. - Includes both positive and negative post connectors, includes battery terminal covers; one red and one black, all in one kit for multiple battery installations (battery cable not included), use to replace worn out or corroded battery terminals and covers. Package list: 1 x Positive Pole Clamp 1 x Negative Pole Clamp 2 x Terminal 4 x 3/8 2 x Shrinkable Tube 2 x Battery Protection 1 x Cleaning Brush