90 Degree 3mm Pneumatic Angle Air Micro Die Grinder Pencil Style Polisher Tool Accessories Kit For Metal Grinding Polishing

Material: plastic + Alloy steelLength（approx): 143mmChuck size(approx.):3.0mmFree speed: 70000 rpmAir pressure: 90psiAir inlet thread: 1/4" NPTName:Pneumatic grinding penIdeal for： final cleaning and polishing of dies, and jewelry and for hobbyQuick lettering, use for flexible and comfortable.Pen needles is made of special alloy steel, good durability.Depending on the difference of material to decide the depth.Works great on metal, wood, plastic, glass, stone, porcelain and other hard material.This configuration is great for marking tools, parts and more. Package Included:1 x Micro Air Die Grinder30 x Alloy grinding head10 x Grinding wheel head2 x Spanner

• Material: plastic + Alloy steel.Length（approx): 143mm.Chuck size(approx.):3.0mm.Free speed: 70000 rpm.
• Air pressure: 90psi.Air inlet thread: 1/4" NPT.Name:Pneumatic grinding pen.
• Ideal for： final cleaning and polishing of dies, and jewelry and for hobby.Quick lettering, use for flexible and comfortable.Pen needles is made of special alloy steel, good durability.
• Depending on the difference of material to decide the depth.Works great on metal, wood, plastic, glass, stone, porcelain and other hard material.
• 1 x Micro Air Die Grinder/30 x Alloy grinding head/10 x Grinding wheel head/2 x Spanner.