Suitable scope: Drilling process with max. Bit size 10mm, may clamp grinding head. Nicking tool, steel brush and abrasive cloth etc. Model: Sl-206 Name: 3/8" positive and reversion air drill Rotation speed: 1800 rpm Drilling ability: 1-9.5 Mm Tool length: 203 mm Net weight: 4.29 ibs Average air consumption: 9 cfm Pressure: 90 psi Air inlet: 1/4" npt