The Porter Cable PCC791B is a 20V MAX 18 GAGE Cordless CROWN STAPLER that is perfect for home and workshop use. This crown stapler is Lithium-Ion and has a battery capacity of 1.5 Ah. It has a voltage of 20V. The stapler is straight and has a gauge of 18. It has a length of 12.25", a height of 11", and a width of 3.9". The unit quantity is one and the item weight is 6.1lbs. This nail gun is great for installing crown molding, baseboards, and other woodworking projects.