1.Fit positive (+) or negative (-) battery cable terminals. 2.Constructed of Zinc Alloy for ,intended use for: top post, side post, truck, and marine battery terminals. 3.The battery terminals fit for positive and negative standard battery posts of cars, boats, van batteries and others. 4.Suitable for 3/8inch bolts, compatible with any battery with screw post on the top or side. 5.Battery poles are made of Zinc alloy, intended use for: top post, side post, truck, and marine battery terminals. Type: Battery Post Terminal Total Height: 27mm/1.06inch Positive Post Dia: 17-18mm Negative Post Dia: 15-17mm Hex Side to Side Width: 19mm/0.75inch colour: silver Material: zinc alloy Package Contents: 1 x Positive Battery terminal connectors 1 x Negative Battery terminal connectors Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.