DTX Minnow 220 Heavy Duty SNK 9"The DTX MINNOW 9 Heavy Duty is a revolution in trolling minnows, featuring the Patented Autotune System, Metal Matrix Plate System, Diamond Armour internal strength system and Hydrospeed belly eyelet technology, the DTX Heavy Duty series is in a class of its own. The DTX 9 Minnow can be trolled at over 12 knots and will reach a maximum depth of over 50ft+ when trolled at 8 10 knots and 80 100yds. Ideal for the toughest predatory fish like Tuna, Wahoo,