FEATURE: High Quality Universal Truck Motorcycle Boat Batteries Terminal Connector1 Set (Positive 1pc +Negative 1pc) Fits 6V/12V positive or negative battery,Battery is not included in our package., 1., The main components of the Battery Clamp is made of copper. DIMENSION: --Battery Post Terminal with 65 x 28 x 20mm/2., 6 x 1., 1x 0., 8(L*W*T); Screw Thread Diameter: 8mm/0., 3,Positive Battery Terminal Hole Dia., : 18mm/ 0., 71; Negative Battery Terminal Hole Dia., : 17., 5mm/ 0., 67 -This Battery Terminal Ends made of Copper is more Anti-corrosion & Good Conctact. OUT POWER:-- Copper Battery Terminals suit for 6V/12V. Fit for most car, boat, Van Battery., 3., This Battery Clamps made of Copper material,which has good conductive performance, good flexibility., 4., The pile head of Battery Post Terminals will not break, Anti-Corrosion, Can reduce voltage distortion& transimission loss., 5., Corrosion resistance, good conductive performance, wiring is convenient, and the connection is firm., SPECIFICATIONS: -Weight:About 0., 20LBS -Color: Red+Black -Material: Copper+Plastic -Postive Inner diameter: 18mm -Negative inner diameter: 17., 5mm PACKAGE INCLUDED: 1 battery terminal Red-identification Positive(+) 1 battery terminal Black-identification Negative(-) How about the Battery Terminals' quality? Positive Battery Terminal Clamp with Material: Copper (WARM TIPS: Copper is -Better than Aluminum Alloy--as Aluminum Alloy is Contact Weakness & Strong Corrosiveness. its Color:Red Black (Positive Negative) ,Black Red Plastic Protection Cover That’s when I learned the importance of this small but crucial component of a car’s electrical system. In this article, I’ll share with you everything I’ve learned about car battery terminal clamps – from their function and types to maintenance tips and replacement options 2PCS Car Battery Terminal Connector Positive Negative Post Brass Clamp Clip Set Buy Battery Connectors products and get the best deals at the lowest prices on UK! Great Savings & Free Delivery / Collection on many items Corrosion Resistant Battery Terminals Aazon.co: Car Battery Cable Terinal Claps Connectors 2pc Negative Universal Battery Connectors USING AREA:--Battery Terminals Connectors for Car, Van, Caravan, Motorhome, Truck Battery etc. The screw and nut are not copper., 2., This Copper Battery Terminals suitable for use in most vehicles.