• Set of 10 PCB drill bits with 1/8" (2.55mm) shank, titanium-coated and made of solid tungsten carbide. • Cutting edge diameter: 2.55mm; cutting edge length: 15mm; shank diameter: 3.175mm; total length: 38mm. • Titanium coating reduces friction and wear, improving cutting quality and precision. • Mirror-polished spiral flute design efficiently evacuates chips and debris, reducing heat buildup and vibration. • High hardness, wear resistance, and excellent thermal stability, providing a long service life. • Precision cutting edge and positioning ring for greater stability and accuracy during work. • Shank with chamfered design for easy installation and adjustment. • Includes protective case for safe storage.