Features:1. Using high quality materials and fine grindingprocess makes the cutting edge more sharp.2. Drill bit has a large scraps discharge space, littleresistance and smooth.3. Reduce cutting force and broken drill to improve thequality of hole wall.4. Easy to change out and do a great job cuttingthrough the PCB for solder holes.5. Come with a great storage container, easy to findand grab the drill bit you need.Specifications:Material: Tungsten CarbideQuantity: 10pcsStorage Box Dimensions: 88*51*10mm/3.46*2.01*0.39inCutting Edge Diameter: 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0mmWeight: Approx. 42gPackage Includes:10 x Drill Bits(The color of the ring is random)1 x Storage BoxNote: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..