All 4 of the required clamps for any of the "Single 18650 DNA Mods" or the "Lipo DNA Mods". There are 2 DNA Chip Clamps, 1 Screen Clamp and 1 Charging Board Clamp. All of the clamps are joined together with a 1.5mm cylinder, called a sprue, that will need to be trimmed away before installation. This was done to aid in the printing process. The clamps are secured with Torx Thread Forming Screws for Plastic. You need 6 - 1/4" length screws for the chip and charging clamps and 2 - 3/16" length screws for the screen clamp. There are links in the 18650 and Lipo mod body descriptions to where you can purchase the required screws.