If you are looking for some professional and drill bits, then your research is over here. Adopted of , it is practical and sturdy for long time use. Easy to be installed on electric driller, lithium electric drill, angle and more. Sharpen and strong, help to finish your work easily. Features -Color: Blue. -Material: Brazed diamond. -Size: About 6.50X1.60X1.60cm/2.55X0.63X0.63inch. -Designed for quick and accurate drilling, which saves time and effort and satisfies different drilling accuracy. -With high hardness and wear resistance, they can provide accurate drilling positioning and high efficiency. -Multi-type of drill bit set, universal for lithium electric drill, hand electric drill, angle , etc. -Stable and practical, , and durable, bring you good experience. -Made from material, sturdy and wear-resistant, durable and useful. Package list: 6 x Drill Bits