U-Mark UMARK10550 5 mm Heavy Duty M5 Permanent Paint Marker, Red - Case of 12 - Walmart.com
BIC Black Permanent Marker Pen 2300 (THICK) | eBay
Sanford Permanent Marker King Size Chisel Point 1/pk Black 15101pp : Target
Amazon.com : KOREKT Professional Marker, All Metal Mechanical Carpenter Pencil with 12 Refills, Heavy Duty Construction Pencil with Built-in Sharpener, Lead Holder with Long Nose for Deep Hole Marking : Office Products