it is a 36", 115 links of JGX. The angle of the photo makes the bar look bigger than it actually is. The whole 'trim the bush to make the tree look bigger...' theory
Dillion product support is incredible. I have had Dillion products for over 20 years. I had a 450, and electric case trimmer, and still have a 550 and the big tumber. Don't even consider any kind of dies other than the carbide pistol made for progressive reloaders, very good stuff.