Check the listing for details. 3 Pcs/Set Long Head Marker Pens Bathroom Woodworking Deep Hole Marker Set. Condition: New. Listed at 6.99 USD. -Color: Black, Blue, Red - Head Tip Length: 20mm -Head Tip width: 0.7-1mm - Water resistant and Fast Drying - Suitable for Furniture Decoration, Book Shelf, Lamp Drill Hole Position for Mark. Also Deep Holes for Metal Processing, Automobile Manufacturing and other production Industries. Mark the Processing Position. Also Mark on the Surface of Wood, Metal, Glass, etc.-Color: Black, Blue, Red - Head Tip Length: 20mm -Head Tip width: 0.7-1mm - Water resistant and Fast Drying - Suitable for Furniture Decoration, Book Shelf, Lamp Drill Hole Position for Mark. Also Deep Holes for Metal Processing, Automobile Manufacturing and other production Industries. Mark the Processing Position. Also Mark on the Surface of Wood, Metal, Glass, etc.