Manual does not require air compressor. Designed for 16 GA. Powercleats nails in lengths of 2”, 1-3/4” and 1-1/2”. Installs 5/8”, 3/4” and 33/32” Tongue and Groove flooring. Includes a 5 MI rubber mallet and replacement drive blade. Channel Holds 1 clip of nails (approx. 100 nails)