USB Electric Drill Mini Electric Drill Variable Speed Grinder Rotary Tool Pen Drill Carving Pen Grinding DIY Features: Comes with 23 accessories for various carving and grinding needs Practical: This kit allows you to engrave in seconds to personalize or decorate almost all surfaces - metal, plastic, glass, ceramic, wood, leather, diamond, stone, and more. This is perfect for DIY creations and handicrafts. Control knob on/off and stepless speed adjustment: from 3. 000 to 25. 000 RPM (rotations per minute) Lightweight and compact design like a pen: The camera body surface is designed from fine lines to deep curves to provide a comfortable experience. Ergonomic grip for added comfort and stable control. Various uses: suitable for carving (nuclear carving / egg carving / bone carving / jade carving), cutting, polishing, engraving, grinding, grinding, cutting, removing and drilling, grinding. Parameter: Clamping Range: 0. 5-3. 2 Speed ranges: 3000-18000rpm can be marked incorrectly as 3000-25000rpm Input voltage: 100-240V Output voltage: 12V Power: 13W Body size: 160x27mm Description: Mini model (stepless speed adjustment) easy to operate, small in size, user-friendly design, comfortable, wear-resistant, non-slip, low power, suitable for micro engraving operations Application scope: small engravings (nuclear engraving / egg engraving / bone engraving / jade engraving) additional grinding / polishing / drilling / trimming / cleaning, etc. Product list: 26 * accessories 27PCS: Function: 1. Chuck size: 0.5-3.0 mm ( 0.5mm,1mm,1.5mm.2.5mm,3mm) 2. Suitable for agate nuclear carving wood carving. 3. For grinding aluminum plate, thin copper board, plastic board, chipboard, printed circuit board, epoxy board. PACKAGE CONTENTS: + DRILL ADAPTER & 25Pcs - 1 Power Adapter - 1 Electric Drill - 25PCS Drill Bits