$67.99 General Tools 1280M Hollow Steel Punch For Punching Holes, 1/2, Forged Steel - Overstock - 24320974
1-2 Pack Metal Hole Punch Tool.(1 Pack) - Walmart.com - Walmart.com
MODULAR HAND DRIVE 1/2 HOLE PUNCH FOR #4 SHEET METAL AND #3 ROLLED RIM GROMMET & WASHER (HP-1-2 
