In this carbide wheel cutter, Laser refers to the profile applied to the wheel. This allows for a non-slip start and deeper scoring. Good for glass 0.1-2mm and hard glass 0.3-2mm. This cutter excels at cutting thin glass, hard glass, quartz, silicon and III-V semiconductors. Wheel cutters produce a cleaner scribe line than point scribes and minimize the number of particles generated. Plastic handle is 5" long.