Function: 1. am lf st ad st st The um ty sz pen tr a am lf st st as , kt has st wear ad and sz service life. 2. High Speed: Bearings pneumatic wind grinder wythave a high speedkoć 50000 rpm. /min, which improves speedko and efficiency szcutting. 3. Lek AND PORTABLE: This ty sz um is st and ty and has ego ks um lek pen. Easy in use and friendly for the noveltyszy. 4. One-handed bs : sz ty um used um one ty , ideal for st in ch ch rk tw ad bs and ad and tw to sz . 5. Many of theasuses: This pneumatic air grinder can be used to grind metals, as well as for cutting plastics,stones, wood, etc. It can also be used for grinding and polishing and is suitable for backing plates, brake bricks, etc. Specification: Type of article: Pneumatic Pen for Pneumatic Grinders Materials: Alloy Steel, Tungsten Steel Alloy Speed without load: 50000 rpm Connection inlet will telltrza: 1/4 inch tr consumption: 5.5 cfm (l/m in ) How to use: Um 2–3 kr of air lubricant into you um in tr and after each use, as st ko unit ch for a few seconds ab ko cz . List of packages: 1 x pneumatic engraving pen 1 x Hose saystrzny 2 x key 1 x Oil Bottle 1 x u ch g yt 1 x ininlet interface will telltrza 1 x tr 1 x boxesko for storage