【Deep Hole Markers Set】there are 6 pieces mark tools with 2 boxes refills(12 pieces), the mechanical carpenter pencils extend 45 mm in length, the dry pen extends 33 mm, suitable for marking through holes or in other tight areas
【Mechanical Carpenter Pencils with Sharpener】the pencils need 2.8 mm refills, and the lightweight pencil and pocket holder design make it easy for carpenters to carry and use; Sharpener on the top of the deep hole carpenter pencils will help you to keep pencils always useful
【Waterproof Permanent Pens】the long nib dry markers are waterproof and not easy to fade; The pen writes smoothly and draws 1 mm colorful marks
【Colorful Woodworking Tools】mechanical pencils have three colors: black, red and yellow; Dry pens are black, red and blue; Colorful markers mark clear and bright
【Widely Applicable】the set suitable for carpenters, builders, businessmen, or anyone who needs a tool that can mark a variety of surfaces; It can mark on plastic, wood, paper, metal, etc