Line Twister With Speed Control Function YH-717P (using 2 AAA batteries).Line winding is possible at your favorite speed.Easy and convenient to use even for the first time.Easy and speedy winding when connecting the line (PE) and the leader.There is little variation around the line (PE) and stable strength can be obtained.Compact size that can be stored in a pocket.[Battery life] About 500 lines can be tied (alkaline).[Compatible thread] Line (No. 0.6 ~ No. 3) leader (No. 1.5 <6lb> ~ No. 12 <40lb>)