3Mm 90 Degree Angle Air Die Mini Pneumatic er Tool Set Tool For Metal ing

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Quick lettering, use for flexible and comfortable.Pen s is made of special material, good durability.Depending on the difference of material to decide the depth.Works great on metal, wood, plastic, gla, , porcelain and other hard material.This configuration is great for marking tools, parts and more.Name:Pneumatic grinding penFor: final cleaning and ing of dies, and jewelry and for hobbyColor: picture colorMaterial: plastic + steelLength: 143mmChuck size:3.0mmFree speed: 70000 rpmAir preure: 90psiAir inlet thread: 1/4inch NPTPackage: 1* micro-mold type air 30* alloy grinding head10* grinding wheel head2* wrench1* boxOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.