Owner Trebles ST-46
The staple hook range for 90% of Japanese plugs. The ST-46 is a nickel plated saltwater hook. The best brands tend to use these in anything from a #6 or #5 on their 120mm lures to the size #5 or #4 on the majority of 130-140mm lures. The size 5 for example comes on the popular Tackle House Feed Shallow 128.
Ben's an idiot so hasn't added a full category run-down yet. We're sure he'll get on it shortly.