Stepless Speed From 3,000 to 20,000 RPM (Revolutions per Minute). Usually, Low speed for metal / wood, fast speed for glass / ceramic. Total 30 Bits & 8 Stencils Includes 10 pointed bits, 5 round bits, 4 jujube-shaped bits, 11 flat bits; 4 Wavy lines Style stencils and 4 letter/number stencils. Suits all your needs from fine lines to deep grooves. Additional Scriber Pen & 6 x Different Style Polishing Head The Scriber Pen is for extra fine, delicate strokes, great for marking on jewelry, or other tiny objects, like rings, pendants, etc. Polishing Head Accessories helps you polish and complete any engraving more quickly and easily. COMFORTABLE & EASY TO CONTROL Just holds it like holding a pen, lightweight & compact design, letting you perform intricate work smoothly and effortlessly. Easily control the engraving/drawing path. Makes smooth and clear strokes. DURABLE AND RELIABLE Electric portable drill is suitable for decorate or personalize a wide variety of materials including metal, plastic, glass,Jewelry, ceramic, wood, leather and more; Engrave for protection against theft. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. he grinder engraving kit is necessary for DIY carving and grinding. Electric portable drill, durable and reliable. This electric carving tool has very mini grinder body, convenient to use. Small volume, light weight, easily carry, comfort grip handle. Suitable for jade agate, nuclear carving, wood carving, grinding aluminum plate, thin copper board, plastic board, chipboard, printed circuit board, epoxy board. Perfect electric grinder for engraving, milling, grinding, polishing, removing and drilling. Easy to Control the Tool The Scriber Pen for fine strokes, suitable for marking, scribing and etching The Engraver Tool for broad strokes, suitable for engraving, drilling, carving, grinding, sharpening, sanding, polishing, and more Safety Notes 1.Do not Press the bit or collet while using it, or it may cause injuries 2.Do not immerse the tool in water or use it near water 3.You can wear gogles or dust mask to keep dust out of your eyes 4.Always unplug the Engraver when changing bits or not in use 5.Store the tool in a dry place and keep out of the reach of children Specifications: AC Input: 100-240V DC Output: 9V/1000mA Shaft Diameter:2.35mm Hole Diameter:6.35mm Package Includes: 1 * Scriber Engraver Pen 1 * Engraver Tool 6 * Polishing Head 8 * Stencils 30 * Different Sharp Bits Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.