These 3D printed disc hangers will hold your disc to any wall surface securely and flat. There are two types: 3-hole type has room for a flat thumbtack or two finish nails. This type is best for dry wall and lathe walls. 1-hole type has room for a small screw. This type is best for wood paneling walls. They come in two colors and two quantity packs. Thumb tacks, nails and screws are not included.