Specification Brand : Holigie BulletPoint1 : [EXCELLENT QUALITY] Pin vise chuck is crafted from reliable brass material with electroplating for reliable use. BulletPoint2 : [STURTY ENDED DESIGN] Hand twist drill features 2 chucks capable of holding sizes from 0.5mm to 3.2mm, suitable for a variety of projects. BulletPoint3 : [VERSATILE APPLICATIONS] Mini hand drill suitable for PCB, jewelry making, watch repair, and more - not recommended for hard materials like steel or stone. BulletPoint4 : [COMPLETE SET] Pin vise hand drill set includes a double-ended pin vise chuck and 10 twist drill bits in various sizes, making your tasks more convenient. BulletPoint5 : [PRECISE DRILLING] Manual drill kit hand drill each twist drill bit is crafted from HSS for precision drilling performance, ensuring your projects turn out perfectly. ItemName : Holigie Hand Twist Drill Mini Hand Drill Double End Micro 10 PCS Pin Vise Hand Drill Set for Handicraft Jewelry Watch Making ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : pin-vises Manufacturer : Holigie ModelName : Holigie6fxd8hgoqc ModelNumber : Holigie6fxd8hgoqc PartNumber : Holigie6fxd8hgoqc ProductDescription : Holigie pin vise chuck crafted from brass and elegantly finished with electroplating for a stunning look and exceptional endurance. Featuring a double-ended design, it comes equipped with two chucks, capable of securely holding bits ranging from 0.5 mm to 3.2 mm in diameter, catering to various needs. Suitable for intricate work on PCBs, handicrafts, jewelry making, and watch repairs, this versatile tool is not recommended for use with steel, iron, stone, or other extremely hard materials. Your purchase includes the double-ended pin vise chuck along with 10 twist drill bits of varying sizes, offering convenience for all your projects. Specifications: Pin vise material: brass(electroplated) Twist drill material: HSS Pin vise length: 10.3cm /4.06inch Holding size: 0. 5 ~3.2mm