Jorgensen’s Zola Bug Purple|12 – 3.8mm|14 – 3.2mm|14 – 3.8mm|16 – 2.8mm|16 – 3.2mm|18 – 2.4mm|18 – 2.8mm

Andrew says "The Z.B. is a great mayfly attraction pattern for trout, heavily weighted and slim profile gets down to the fish in faster water"