Check the listing for details. Traxxas 3939 Screws, 4 x 6 mm button head machine (hex drive) (w/ Threadlock) 6. Condition: New. Listed at 5.20 USD. For combined shipping, You need to be on a computer. Go to your shopping cart and in the upper right hand corner there is a button that says "request invoice" select this and do not pay anything until you receive an invoice from us. Traxxas 3939 ""Screws, 4 x 6 mm Button-Head Machine (hex drive) (with threadlock) (6) "" In stock and ready to ship why wait weeks for others to ship? We only list what we have in stock and ship within 48 hours of payment COMBINED SHIPPING Save money on your orders with a combined shipping discount! We are more than happy to combine shipping on multiple purchases to save you money on shipping. We do require that all items must be paid for via a single payment. The best way to do this is to click the commit to buy button, and then rather than go to paypal to send payment just continue shopping. You must use the "request total" button when you are finished with your purchases, and then we will send you a combined invoice.