TMC 300 Streamer The TMC300 is a down-eye streamer hook with a 6X long shank making it a good fit for many classic long-bodied streamer patterns. Down eye Heavy wire 6X Long Forged, Bronze 25 per pack A down-eye streamer hook with 6X long shank.Good for many long-bodied classic streamer patterns.This model uses heavy wire to stand up to the large fish often hooked on this type of fly.