Owner Twistlock 5167
The Owner 5167 is a Gary Yamamoto designed Senko hook. To us, that means it has a slightly shallower gape and longer shank than most other designs, making them perfect for slimmer worm style lures (like the Senko it was designed for). The 5/0 would be your all-rounder, while the 6/0 is very useful if you are using a slightly longer lure like a 6 or 7 incher.
Ben's an idiot so hasn't added a full category run-down yet. We're sure he'll get on it shortly.