Description:16 Piece Air Micro Die Grinder Kit Mini Pencil Polishing Rotary Cutting Tool<br>Specifications:Weight: 0.33kgChuck size: 3mmLength of pen :130mmNo-load speed:54000rpmAverageair consumption :60 L\/min<br>Features:-Small size， light weight， pen-shaped design， easy to use with one hand-Precision-engineered blade grinders， Safety and DurabilityHigh-speed rotation， can adapt to high-speed precision machining-Sophisticated interior design， coreless vibration， can be a long operation-Rear exhaust，to prevent the chip flying nti-chip scattering， noise-Easy to use， easy to assemble and unassembled<br>The main purpose:-All kinds of metal precision grinding;-Ceaning of various metals， chamfering， grinding， carving， internal processing;-Cutting plastic， stone， wood， etc.， grinding， polishing;Various types of welding surface grinding;<br>Box Contents   :1xPC-AT-3170 Micro Air Grinder1xPC-Mini- Oiler1xPC-Oil Pot2xPC-Hand Wrenches1xPC-Female Nipple1xPC-Blow Mold Case10xPC-Mounted Stones<br>Package included1* Set Pencil Polishing Rotary Cutting Tool