-Size:3*3,3*4,3*5,3*6,3*8 -Mainly used for wood, furniture carving, antique floor carving, bonsai, toys, figures, animals and other sculpture works. Professional engraving, amateur, students can use. Even if the fingers touch the blade vibration, will not damage the cutting fingers. Features: -Can be hand carved 1/3 of the force, 3 to 5 times the speed of engraving, without fatigue. -High speed vibration of 25000 times per minute is generated after the knife head touches the wood, and it is carved with the ultra high speed vibration. -Can save two-thirds of the force of usual hand-carving. -Shell is a solid, cooling efficiency is excellent, very safe. Conversion: 1 inch = 25.4mm or 1mm = 0.0393 inch Package:1PC ProductSiteLaunchDate : 2021-04-02T02:19:49.251Z Size : 3x6 Style : Antique UnitCount : 1