I think I covered everything, I'll try to answer any questions you may have.
(These dimensions apply to all the 1's)
7.0" open
4.0" closed
3.0" blade
4 ounces
1's
1720 steel handles, w/ rivet pattern, w/USAF logo, frame lock, 13c28n
1720ST steel handles, w/ rivet pattern, w/USAF logo, frame lock, partially serrated 13c28n
(These dimensions apply to all of the 2's and 2.2's)
8.625" open
4.875" closed
3.75" blade
5.8 ounces (*1725SG2 is 5.6 ounces)
2's
1725BLK black peel-ply G10 handles, liner lock, 13c28n
1725BLKST black peel-ply G10, liner lock, black coated partially serrated 13c28n
1725 gray peel-ply G10 handles, w/rivet pattern, liner lock, 13c28n
1725ST gray peel-ply G10 handles, w/rivet pattern, liner lock, partially serrated 13c28n
1725SG2, titanium handles, w/ rivet pattern, frame lock, SG2/410 stainless laminate blade, 1000 pieces
2.2's
1725CB, black peel/ply G10, liner lock, spine/14c28n edge/CPM-D2, puzzle piece braze pattern (used first)
1725CB black peel/ply G10, liner lock, spine/14c28n edge/CPM-D2, saw-tooth braze pattern
1725CB black peel/ply G10, liner lock, spine/14c28n edge/CPM-D2, DLC coating, original puzzle piece braze pattern, 500 pieces