These 60-piece battery bare copper ring lug terminals are perfect for car repair and electric box work. Ideal for electricians and car repairmen. The terminals are made of pure copper, flame-retarding, and effectively conductive. They come with stamped model numbers for easy selection and a storage box for convenience. Included are 10pcs SC6-6, 10pcs SC6-8, 10pcs SC10-6, 10pcs SC10-8, 5pcs SC16-6, 5pcs SC16-8, 5pcs SC25-6, and 5pcs SC25-8.