Heavy Duty Classic Butterfly Knife Thick 7 Hole Balisong - Asst. colorsChannel Balisong Heavy Duty Classic Butterfly Knife 7 Hole Thick Plain Blade. Featuring a 'beefed up' version of the classic Weehawk riveted design this Budget Balisong is not quite as FAT as our Knuckle Banger, but is still quite Hefty. You will find yourself saying 'Oh it hurts so good' when you feel the weight of this big, thick, HEAVY swinger. Available in 7 colors Blade Material: Sharp Stainless Steel (basic steel) Blade Thickness: 3mm Handle