DescriptionThese drill set are made of metal material, durable and safe. they have the simple design, Easily locks onto and releases drill bits. you will use them for a long time. good tools for your chocies. Mini design is practical, you will carry them easily.Feature- Color: As shown - Material: Metal - Size: About 3.3 x 2.5 x 2.5 cm. - Made of metal material, they are durable and safe - Can be used with drill bits from 0.3mm up to the size of 4mm. - Good tools for your choices - Mini design, you carry them easily - You will clean them easily