This Air Angle Die Grinder with 1/8" and 1/4" collet size is great ... , Cutting, FABRICATION WORK, and MORE!!! ♦Technical data MODELFree speed RPMAverage air consumption cfmCOLLETExhaustLengthWeightAir pressureAir InletPer Ctn pcsSize of Ctn cmG.W ... .31/4“3036.5x27.5x2517/15♦ Production Process good quality Air Angle Die Grinder