Package Dimensions:14.2 x 5.8 x 5.1 cm; 100 Grams Batteries included?:No Batteries Required?:No Item Weight:100 g Description: Material: ABS + metal Colour: Black Power supply: DC 5 V Suitable collet range: 0.7-1.2mm Drill size: 9 x 2.5 cm USB cable length: 1.8m Weight: 115g Package includes: 1 x mini drill with USB cable 10 x 0.9 mm drill bits 3 x 1.1 mm drill bits 1 x spanner Note: 1. This product is not suitable for drilling heavy metals or high hardness materials such as Bodhi, thick metal, walls and stones etc. 2. If you have any questions, please feel free to contact us. We will reply to you within 24 hours [Quality Mini Drill Set] --- Compared with the manual hand drill, it is more time-saving, labor-saving, efficient, and precise.Please Note: It is not suitable for heavy metal or high hardness material. [Wide Application] --- It is an ideal epoxy kit for making necklaces, earrings, bracelets, pendants, keychains, models, sculptures, dolls, etc [High Quality Materials] --- The twist drill pins made of high-speed steel contains cobalt, it is much harder and more resilient, durable and reusable. [Easy Operation] --- Clamping Range: 0.7-1.2mm quick change chuck makes drilling work more convenience. The portable mini drill is powered by a USB cable. The switch is easy to use and convenient to use. [Package List] --- Mini hand drill set comes with 13pcs pin vise including 10pcs 0.9mm and 3pcs 1.1mm, make sure the pin vise drill is great for any hobby or precision job . See more product details [Quality Mini Drill Set] --- Compared with the manual hand drill, it is more time-saving, labor-saving, efficient, and precise.Please Note: It is not suitable for heavy metal or high hardness material. [Wide Application] --- It is an ideal epoxy kit for making necklaces, earrings, bracelets, pendants, keychains, models, sculptures, dolls, etc [High Quality Materials] --- The twist drill pins made of high-speed steel contains cobalt, it is much harder and more resilient, durable and reusable. [Easy Operation] --- Clamping Range: 0.7-1.2mm quick change chuck makes drilling work more convenience. The portable mini drill is powered by a USB cable. The switch is easy to use and convenient to use. [Package List] --- Mini hand drill set comes with 13pcs pin vise including 10pcs 0.9mm and 3pcs 1.1mm, make sure the pin vise drill is great for any hobby or precision job .