Astro Pneumatic T210 Die Grinder, Angled, Air Consumption: 4 cfm, Air Inlet Size: 1/4 Inch NPT, Air Pressure: 90 - 120 psi, Horse Power: 1/2 hp, Collet Size: 1/4 Inch, No Load Speed: 22000 Rpm, Hose Size: 3/8 Inch Inner Diameter, Sound Level dBa: Sound Power: 100.8, Sound Pressure: 89, 6-3/4 Inch Length, Handle Style: Rib Textured, Weight: 1-1/4 lb