A hook sharpener with excellent portability.It can be used for two types: rough polishing with diamond on the front and finish polishing with ceramic on the back.Very quick and easy edging!With a compact design and a chain that can be attached to a pin-on reel, the utility is also excellent.The hook point is the life of the angler!This is the most important part that directly connects to the catch.Please apply it in every field and abuse it.