Hilitand Welding Soapstone 4 Pcs Slate Pencil with 1 Holder Mechanical Industrial Marking Tool, Size125 x 12mm

WIDE APPLICATION: The slate pencil is widely used in all aspects of the material, such as: machinery manufacturing, vehicle manufacturing, shipping factories, steel mills, etc. REDUCE FRICTION: Slate pencil often used to reduce friction as a result of friction reduction ability. ADVANTAGE: The slate stone can withstand burning without fade. Copper button for outstanding detail appearance. TO USE: The holder has premium shell of high quality and long service life. Easy to carry, folder pocket and file to whatever your needs are. MARKING TOOL: 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.