Arrow Fastener 8000K PowerShot Pro 3 Piece Kit Fires 1/4-inch thru 9/16-inch heavy duty Arrow T50 staples and 9/16-inch brad nails Forward action design eliminates stapler kickback Capable of rapid fire one hand operation Features durable steel body, anti-slip comfort grip, and a staples/nails remaining window Made in the U.S.A.