Country of Origin China
Air inlet thread 1/4" NPT
Air pressure 90psi
Brand Unbranded
Chuck size 3.0mm
Free speed 70000 rpm
Material plastic + Alloy steel

Check the listing for details. DIY 90 Degree 3MM Pneumatic Micro Grinder Angle Air Micro Die Grinder Set Tool. Condition: New, Made in China. Listed at 74.12 USD. 1 x Micro Air Die Grinder. Air inlet thread: 1/4-28UNF. ● Depending on the difference of material to decide the depth. The color may have different as the difference display,pls understand. Free speed: 70000 rpm.

$37.06
$74.12