Features: Small volume, light weight, easily carry, comfort grip handle, offers better control while drilling., convenient and durable to use. Regulating Speed, with LED lights and built in 3.7V lithium battery, five speeds: 3000/6000/9000/12000/15000rpm/min Equipped with 50pcs accessories for drilling,all ready and complete. Perfect electric grinder for engraving, milling, grinding, polishing, removing and drilling, necessary for DIY carving and grinding. Suitable for jade agate, nuclear carving, wood carving, grinding aluminum plate, thin copper board, plastic board, chipboard, printed circuit board, epoxy board. Specifications: Type name: Mini Drill Material: ABS Built in 3.7V lithium battery Speed: Five Speeds: 3000/6000/9000-/12000/15000rpm/min Color: Gray / Green / Red Weight of the whole set: 260g Size:Mixed Quantity: 50PCS Package Includes: 2 Pieces Emery Cutting Piece 18mm 25mm 1 Piece Emery Connecting Rod 10 Pieces Resin Slice 1 Piece Copper Brush 1 Piece Silver Bowl Brush 1 Piece Red Gasket Connecting Rod 7 Pieces Sandpaper Ring 3 Pieces Dual Network Slicing 3 Pieces Sandpaper Ring 1 Piece Small Rubber Shaft 1 Piece Stainless Steel Cutting Blade 1 Piece Red Gasket Connecting Rod 3 Pieces Drill Bit 0.8/1.0/1.5 5 Pieces Chuck 0.5/1/1.5/2.4/3.0/3.2 1 Piece T Flint Diameter 8 Blue Green 1 Piece Round Flint Green Diameter 6 1 Piece Tapered Firestone Pink Diameter6 1 Piece Tapered Flint White Diameter 6 1 Piece Spherical Flint Pink Diameter 6 2 Pieces Emery Grinding Needle 1 Piece Small Wool Ring 1 Piece Big Wool Ring 1 Piece Wool Wheel Connecting Rod 1 Piece Usb Cable 1 Piece Storage Box 1 Piece Usb Mini Drill note: Before using additional accessories not included in this set, compare the maximum allowed RPM- of that specific accessory with the RPM- of this tool. In case- of electrical or mechanical malfunction, immediately switch off the tool. Do not activate switch when changing accessories. Never use the shaft lock when toll running.