Hiboom 10 Pack Carpenter Pencil Set, 4 Colorful Solid Carpenter Pencils with Sharpener and Refills, Automatic Center Punch, Carbide Scribe Tool Kit for Construction Woodworking

The adjustable tension screw can accurate mark and the protective vinyl cap prevents nib scratches on other areas.

Both 2 pencils are made of sturdy material, even a hard table top can be marked.