Features:The slate stone can withstand burning without fade. The holder has premium shell of high quality and long service life.Copper button for outstanding detail appearance.The slate pencil is widely used in all aspects of the material, such as: machinery manufacturing, vehicle manufacturing, shipping factories, steel mills, etc.Slate pencil often used to reduce friction as a result of friction reduction ability.Because slate can be used to paint white marks on rougher ground, slate is also made into a slate pencil that can be written on concrete floors.Easy to carry, folder pocket and file to whatever your needs are.Specification:Material:SlateHolder Size:143mm / 5.63inSlate Pencil Size:125 x 12mm / 4.92 x 0.47inPackage List:1 x Holder4 x Slate Pen