Radiographs are generally not required or helpful but may aid in determining the type of fishhook and depth of penetration in difficult cases or if patient is unsure of the type of hook
Available in sizes 2, 4, 6, 8 and 10, in both micro barbed and barbless
Here it is shown next to a more traditionally cut gear of a Revo Toro S and note how much larger the teeth are in the Abu Garcia: Shimano did this as their belief is that the smaller teeth are stronger than the longer and (I believe) contend that the smaller teeth have more contact surface than those gears more traditionally cut (Abu Garcia, Daiwa and Okuma)
They join forces again on this records opener, Edge Of Darkness
With practice they can cast well, are effective when trolling, and are incredibly useful when bait fishing, as they allow you to stay in touch with your hooks without unduly influencing presentation