Want to buy screws set but with labels for screw size

churchofermac1966 ,the only person that can answer that, would be the sales staff at ifixit. Check with them on here. In the meantime, you can check this [http://p://www.powerbookmedic.com/wordpress/2011/06/02/iphone-4-screw-location-explanation-part-1|great link] I also attached an image that might help you out. Another thing you can do is check the individual guides on here and read through the steps. It will tell you exactly which screw goes where. Hope this helps, good luck.