It is a CIMA-2. It's a Chinese made D2 steel knife. I bought it just to try it out, and I ended up really liking it. It has micarta handles and a Kydex sheath. I use it a lot on fishing and camping trips. It's been great.
The CIMA-1 was a clone of the ESEE-3 with 7CR17MOV steel, and the CIMA-2 is just an "upgraded" version of that. Some people like the D2 better, some prefer the older model.