1.Total 30 Bits & 16 StencilsIncludes 10 pointed bits, 5 round bits, 4 jujube-shaped bits, 11 flat bits; 4 graphic stencils, and 4 letter/number stencilsand 8 flowers stencils. Suits all your needs from fine lines to deep grooves. 2. 1 X Scriber Pen The Scriber Pen is for extra fine, delicate strokes, great for marking on jewelry, or other tiny objects, like rings, pendants, etc. 3.Stepless SpeedFrom 5,000 to 18,000 RPM (Revolutions per Minute). Usually, fast speed for glass / ceramic, Low speed for metal / wood. 4.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;USB-Type-c chargeSuitable for all USB port power,Charge 80% in 30 minutes, charge 100% in 60 minutes,3 gear idling for more than 1 hour.