Package include:1x woodworking engraving knife (No electrical connection)1xwrench5xCutter headMainly 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.Specifications:Material:metalColor:yellowcutting knife length:15.5cmCutter head size:4.5cmFeatures:1 can be hand carved 1/3 of the force， 3 to 5 times the speed of engraving， without fatigue.2 a super 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.3 in addition to the general wood， also carved ebony， soft plastic etc.4 shell is a solid， cooling efficiency is excellent， very safe.Note:To be equipped with flexible shaft， because the chisel is through a flexible shaft link， can not work alone!