Martec Industrial Corp 700c fork.
1-1/8" Steer tube, 30mm crown race seat, 300mm steer tube length.
Current weight of fork is 775g
Has ISO disc mounts, as well as threads for cantilever posts. Rack/Fender mounts are on as well. 42mm+ tire clearance. Has some cosmetic damage for storage but otherwise seems to be in great shape.