YOU WILL RECEIVE 12 SETS WHICH IS 12 GENUINE KENLIN CASE RUNNERS 10 KENLIN RIGHT TRACK 1 DRAWER SOCKETS WITH FAST SHIPPING (We also sell different types and quantities click on our other items) All items are in brand new condition with free shipping (USPS, first class) in the US. We ship same business day if we receive your order before 1:00 CST. The included first class mail generally takes less than a week due to us being centrally located in the Midwest. If you need your items faster, you can upgrade to priority mail for $5.00 to receive it in 3 days or less. A priority mail delivery map is available on USPS.com and our zip code is 55420, here you can figure out how many days it will take to get to you. Please see our excellent reviews by customers who have ordered thousands from us. VERY IMPORTANT: Please double check that these look exactly the same as the others on your furniture. Also refer to the diagram in our photos for the exact measurements. If they are not the same, you may need the Kenlin Right Track 2 version instead. We do accept returns but charge a 30% re-stocking fee to cover shipping, materials, and labor costs. This is how we are able to offer rock bottom pricing.