Pencil Die Grinder Kit Features include... Easy maneuverability, ideal for intricate work. Compact and comfortable design allows for accessibility in tight areas. Ideal for precision deburring and metal removal. Average air consumption: 4 CFM RPM 54,000 Air inlet size: 1/4" NPT Collet Size: 1/8" / 3mm 13/64" hose Rear exhaust Low decibel ratio: 78 dB(A) Kit includes... Pencil Die Grinder 10 Mounted Wheels 1 mini oiler 1 Adapter 1 wrench 1 Oil Reservoir