Marker Pens are designed to make the thinnest markings and provide long-lasting performance. Durable, plastic tip writes a superfine 0.3mm line, even through carbons. Plastic tip is supported by a metal collar and delivers delicate, smooth writing. Razor Point II Marker Pens are not refillable. Pilot Pens part of a large selection of office supplies. Pilot Razor Point II Marker Pen, Black 12/pk is one of many Felt Tip Pens available through Office Depot. Made by Pilot.