resin Poly stone handicrafts grinding carving polishing trimming shaping Air Grinder TG-3BSN air micro grinder : Specification: 1.Max free speed:65000Rpm 2.Air inlet:1/4''NPT 3.Collect size:2.38mm or 3mm 4.Air hose size:5mm 5.Length:145mm 6.Air consumption:7.06CFM 7.Weight:0.33KG 8.Air pressure:90PSI Applicable to all kinds of resin Poly, stone, handicrafts
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