It is a Mini Spiral Hand Push Drill/Hand Drill/Alloy Tools/DIY Tools. Material: Alloy Steel, Clamping Jaw: 3 Jaws For No Spare Room Clamping. Application: Mainly used for Model, Resin, Jewelry, Walnut, Amber, Olive Nut, Buddha Beads, Ivory, Nut, Plastic, Wood, etc.