Feature: 100% new and high quality. The product is made from copper,corrosion resistant, good electrical conductivity. It can reduce voltage distortion, reduce transmission loss of current. Easy to wire. Wiring firmly. Applicable models: cars, trucks, buses, new energy Material: Aluminum Alloy Screw diameter: single column Weight: 100g/pair Size:As showns Inner diameter: 16-18mm Packing: A pair