Pro Troll E-Rotary Salmon Killer Bait Rig - The plastic clip holds the bait firmly in the plastic head. The diagonal fin on the back provides an ideal roll to the bait. The hook swings free by the tail of the baitfish. Works equally well with cut bait or whole baitfish. For bait or strip 4 in. to 5 in. long; Head springs open for easy loading; Single 5/0 stainless steel barbed hook; 40 lbs. 7 ft. leader; Patented spacer/ hookholder;