PORTABLE: CMEC6150 CRAFTSMAN air compressor with 150 max PSI is lightweight, portable, and oil-free. DRIVING POWER: CMPBN18SB 18 GA Brad Nailer has the power to drive up to 2-inch brad nails.IMMEDIATE USE: Hose included for immediate use. Brad Nailer & Air Compressor Combo Kit is ready for use out of the box. Compressor features an oil-free pump for maintenance-free operation. The 18 GA Brad Nailer drives 18 GA nails from 5/8-inch to 2-inch in length and is perfect for small trim, shoe molding, and baseboards.