Plastic Cone heads that you tie in. hen the cone head is pushed back your fly comes in straight but push the cone forward and you’ll get a side to side swimming motion on your retrieve.
R10 Hook size 20 - 16
R11 Hook size 16 - 12
R12 Hook size 12 - 6
R13 Hook size 4 - 2/0
R14 Hook size 1 - 6/0