Looking for 2x Black Hole Bulwark's MK-1 Implants or Black Hole Bulwark's MK-2 Implants or Hazmat Bulwark's MK-3 Implants Rumdumb ® Mauserhunter(I) All set, Justkitten had Hazmat implants

I am having same problem. I tried pressing k with no luck and the skill tree is dark.