This Roto chip bait holder has the large head (approximately ¾" wide) and two size 5/0 barbless hooks for strip and baitfish from 4" to 5" long. It works well with strip, herring or anchovies as bait. The large E Chip is built in. The strip or baitfish is placed in the head and the adjusting wire ring is clicked tighter until the bait is held in the teeth. Two sizes of diagonal fin are available - the 5A fin is 1/2" . This Type A model has a fin that is good for bait or strip from 4 to 5 inches long. See model B for larger bait.