Craftsman Heavy Duty Stapler/Nail Gun, 9-68517 Complete your projects right the first time with the Craftsman heavy duty staple/nail gun Staple/Nail gun uses 1/4-, 3/8-, 5/16-, 1/2- and 9/16-inch staples and 9/16-inch brad nails and 9/16 inch pin nails Staple/Nail gun has adjustable power and easy squeeze design Contractor grade quality for at the work site or for all of your home improvement projects Backed by Craftsman's Lifetime Guarantee