Marks Hard Materials
Including Hardened Steel
Ceramics and Glass
Alnico Permanent Magnet
Tungsten Carbide Scriber and Magnet, Marks Hard Materials Including Hardened Steel, Ceramics and Glass, Alnico Permanent Magnet Picks Up Small Parts and Retrieves Steel Chips From Hard To Reach Places, Scriber Point Reverses For Safety, Point Is Replace Able, Overall Length 6.