Made of materials: The woodworking pencil is made of high- plastic and metal, which is strong and durable, not easy to rust or break, and can be used for a long time; the silver grip part is designed with for non-slip and stable grip Luminous Metal Markers: 2mm round refill allows placement of luminous marks are less erasable than , reflective marks for welders and plumbers to make visible marks on metal and oily surfaces information: The carpenter pencil is 2B refill, the refill in is 2.0mm Suitable for occasions: These mechanical pencils for drawing are suitable for , welders, architect designers, students, office workers, etc. They can be used on wood, metal, tile, paper, cement, etc. color: Material:Metal + Plastic size:14.5cm Package Contents: 2 x soldering (1 red 1 blue) 4 boxes x refills(2 boxes red, 2 boxes silver, 12 refills/box, 48 ) Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.