The Ryobi ONE+ Airstrike 18V 18 Gauge Stapler - P361 Tool Only is a powerful and efficient staple gun designed for home and workshop use. It features a Lithium-Ion battery with a 4 Ah capacity and a voltage of 18 V. The stapler can handle fasteners ranging from 3/8 in to 1/2 in in size and has a model number of ONE+. It comes in a green color and is part of Ryobi's ONE+ system, which allows for compatibility with other Ryobi tools.