Description The KH537 has sharp tungsten carbide tips that cut into hard surfaces with no problem. Leaves clear marks on metal, glass, plastic and tools. It's lightweight, yet has a strong aluminum handle. It's the personal way to identify your valuable tools and personal possessions. Has diamond knurling on the handle for a comfortable and sure grip.Permanent tungsten carbide scribe tip machined aluminum handlesDiamond knurling for comfortable and sure grip pocket clips and protectiveExtremely sharp and durable scribing pointCompact and convenient