... ).Small size2).High efficiency3).Low noise and nice cutting4).Used for thinning, rust removing, polishing, welding groove and thinning welding line ... : 220V2).Rated frequency: 50Hz3).Free speed: 11,000rpm4).Working ability:Grinder: 100x6x16mmSand paper: 100x22mmRound wire brush: 100x16mm5).Air consumption: 0.9m ... hose size: 10mm7).Net weight: 3.0kg electric mini angle die grinder,high speed power angle ...