The length is perfect for wading games; The length is perfect for wading games; This is a medium class item that is highly versatile and can be used with a wide range of lures from minnows to heavy vibrations from 3.5 to 5.5 inches (9 to 14 cm). The NANO blank provides strong bat power in a light maneuvering, and it can be pulled out from the stream without passing the leadership to the ranker class even in a strong stream of river wading.