The horizontal oblong slot size depends upon the size of fish to be

Aluminum SlotOblong Hole Perforated Metal Sheet for Decorative, Find Details about Perforated Metal Sheet, Slot Hole Perforated Sheet from Aluminum

Leathercraft Oblong slot hole punch 487 views · 13 years agomore Goods Japan

slot voor ijzeren poort Watch strap punch tool set 4x2mm Oblong Slot + 2mm Circle Slot Punch for leather Belt, Watch Band, Watch Strap, Handbag, Purse making AD Watch band Hole Punch

ballys slot machine Economy Oblong Slot Punch 26mm Perfect for making slots for fitting leather belt buckles or straps