Design: The pencil rod (wooden shell) is made into a octagonall flat shape and larger surface area are easier to grip and rectangular hex shape prevents it from rolling away. It is also convenient compatible with you to place it freely during use. There are three color red black and wood that can be easily found and not roll at worksite.Feature: Sturdy enough to withstand the construction environment. It can be used as a wood flooring marker and is also a great tool compatible with concrete marking. Its solid lead leaves highly visible marks compatible with precision tracing. Easy to sharpen, dependable and safe that can be sharpened without breaking.Convenience: Put these industrial pencil in your measuring tool set, tool belt compatible with quick access, or keep it in your hand tools carpentry box.Application: widely used in woodwork marking, plastic material marking, paper product marking, concrete marking, etc. against all kinds of work bench, jobsites and tool bags, compatible with anybody such as woodworkers, building construction workers, contractors, diy worker, craftsmen, builders, tradesman, masons, home service providers,carpentry, masonry, and artistry.Colour: blueMaterial: wood + graphitePackage Contents:72 * Pencils2 * Pencil sharpenersOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.