ReconPIN138R Pin Nailer, 1-3/8-inches Uses 23-Gauge headless and slight head pin nails from 5/8 in. to 1-3/8 in.^Long life maintenance free motor to keep from staining the work surface^Consistent power and penetration to sink 1-3/8 in. nails sub-flush into Oak^Rear exhaust to keep contaminates away from work^Dry-fire lock-out alerts user to re-load nails and eliminates empty nail holes