Fiber Optical Cleave Scribe Tool Fiber Optic Cleaving Tool Pen-type Carbide Fiber Scribe(black) Wide, 45 inclined carbide tip for easy cleaving. Ruby Blade: Blade alternative design, economic and practical. The blade is extremely sharp, easy cutting, abrasion resistance. Easy to Carry: Light weight, pen-size body clips to shirt pocket and features a comfortable finger grip. Pen-Shaped: Operated by protective cap of a pen, ensure that the cutter head not be damaged accidentally. Economy pen-type ruby fiber scribe,precision cutter for optical fiber The types of material for the tip point available: Tungsen;Length: 120 mm, tip 3,1 mm