Description25 Shanks per pack Available in 1, 2, and 3-inch lengths, the OPST intruder shanks are ideal for tying anything from small, articulated leeches and streamers to large salmon and winter steelhead patterns. These shanks come with pre-rounded ends that won't compromise your thread when tying and fishing articulated patterns. These shanks also fit all standard sized beads and cones, leaving myriad options for tying.