2 PCS Car Battery Terminal Connectors 0/2/4/8/10 Gauge Positive Negative Car Marine Battery Terminal Connectors Shims Features Stable and powerful. Robust and durable, not easily damaged. The pile head will not break, corrosion resistance, can reduce voltage distortion and current transmission loss. Wiring is convenient and the connection is firm. Fits most cars, boats, van batteries. Clearly marked with (+) Positive or (-) Negative for easy polarity. 2 copper spacer shims included if the posts are not large enough, also the copper material is more conductive and flexible. This model is: car battery pile head, made of zinc alloy, and the surface is nickel-plated to prevent oxidation. There are 4 wiring outlets for easy modification of the wiring. Dustproof transparent shell Style: 4 specifications (optional) Material: Zinc alloy Quantity: 2 pcs (Positive & Negative) Package includes: 1 x Negative Terminal 1 x Positive Terminal 2 x Adjustable Shims 2 x Car Battery Terminal Protectors