Sharpie Magnum Permanent Marker, Black, Unpackaged Jumbo Marker Point - 15.87 mm Marker Point Size - Chisel Marker Point Style - Black - Silver Plastic Barrel - 1 Each When you need permanent markers that pack an industrial-strength punch, reach for the Sharpie Magnum. Its jumbo point draws extra-wide lines on a variety of surfaces, and the aluminum barrel stands up to any environment.