Ender 3 V2 dual under-mount enclosures and extrusion wire protectors. You will receive a digital download that includes: Mainboard and Raspberry Pi 3, 3B, 4, enclosures plus 2 buck converter standoffs, 2 covers with 40x10 fan pins, and future design improvements at no additional cost.
Links to the screws needed to mount it:
T-nuts - https://amzn.to/3d4HMwV
M4 x 5mm - https://amzn.to/3qs7AGa
M3 x 5mm - https://amzn.to/3TZcb0c
90-degree USB mini cables to connect the Raspberry Pi - https://amzn.to/3Dgk4IA