Mini Electric Tool Pack (Driling, cutting, grinding, polishing) Specifications:Mini Electric Tool Pack (Driling, cutting, grinding, polishing)Power input: ... or 12V DC inputIncludes/Requires:Includes:1 x tool bag5 x high-speed steel drilling heads ... /2.5/3.0mm)6 x grinding stones1 x grinding stone shaft1 x cutting stone disk2 ... AC/DC adaptor Mini Electric Tool Pack (Driling, cutting, grinding, polishing)