Features: 1. Using high quality materials and fine grinding process makes the cutting edge more sharp. 2. Drill bit has a large scraps discharge space, little resistance and smooth. 3. Reduce cutting force and broken drill to improve the quality of hole wall. 4. Easy to change out and do a great job cutting through the PCB for solder holes. 5. Come with a great storage container, easy to find and grab the drill bit you need. Specifications: Material: Tungsten Carbide Quantity: 10pcs Storage Box Dimensions: 88*51*10mm/3.46*2.01*0.39in Weight: Approx. 41g Package Includes: 10 x Drill Bits 1 x Storage Box Note: Due to the difference between the monitors and light effect, the picture may not reflect the actual color of the item. Thank you for your understanding.