Forward action design eliminates stapler kickback. Fires 1/4 in thru 9/16 in heavy duty PowerShot and Arrow T50 staples and 9/16 in PowerShot brad nails, drives staples flush and includes wire guide attachment. Capable of rapid fire, one hand operation with anti-slip comfort grip, designed for extended long term use. Has staples/nails remaining window and durable steel body. Made in U.S.A.