Features: brand new high quality Made of high quality material, Multipurpose Long Tip Marker Deep Hole Marker for Bathroom Woodworking. Waterproof and quick drying. It is suitable for marking the position of furniture decoration, bookshelf, lamp hole. It is also suitable for deep hole processing in metal processing, automobile manufacturing and other production industries. Mark the machining position. It can also mark on wood, metal, glass and other surfaces. Product parameters: Material: plastic + carbon nib Color: red, blue, black (optional) Size: about 140mm×9mm Head tip: 20mm Weight: about 10g Package Included: 1 * marker pen Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.