Sunex Tools Die Grinder - SX264 Part #: SX264 Line: SNX Sunex Tools Die Grinder 1 Year Limited Warranty Length (in): 7-3/16 Inch Weight (Lbs): 1.2 Lbs. Collet Size (in): 1/4 Inch Speed (RPM): 20000 RPM Average Air Consumption At Load (CFM): 4 cfm Minimum Hose Size (in): 3/8 Inch Show More Show Less