We do combine shipping. As everyone should be aware, shipping first class with a tracking number has increased significantly this year. If you purchase an item that will fit in a first class envelope and agree to take the risk of no tracking number, contact me and I can make arrangements. If you buy multiple items, additional shipping costs per item will be $1.75. So if you buy an item and the shipping was $3.50 and you bought 3 more items the shipping would be $3.50 + $1.75 + $1.75 + $1.75 = $8.75. You should add them to your cart and it will be figured automatically. If it does not work let me know and I will refund you appropriately. These are Used Craftsman 3/8 drive metric and standard 6 and 12 pt Deep sockets. They may have some scratches, dings or mild surface rust spots. They do not have owners marks unless specifically stated. On occasion, some actually appear un-used. Please email with any questions. We do not like having to explain this but there are those out there that manipulate and take advantage of listings. We now have to make this shipping statement: Shipping will be $3.50 with $0.75 for each additional with a maximum of $6.50. We try to make it automatic at checkout, however it does not always work that way. Things to try is to request an invoice or we will have to refund excess shipping charges after your purchase (we have done this very often over the years). We always leave positive feedback after positive feedback is received. Returns will be refunded less shipping. If your total was $40.00 and my shipping costs were $5.00, you will be refunded $35.00. This also applies to items sold with free shipping. Buyer also always pays for return shipping. Also we would appreciate an email if there is something wrong with your purchase or you feel the listing was not what you expected. Almost all issues can be resolved without involving Ebay.We do not ship this item internationally. Good Luck! Thanks for looking at our sale and/or auction. Mark & Terri