This Stanley Staple and Brad Gun features an easy-to-squeeze trigger and a comfortable handle to reduce hand fatigue. The all metal drive channel ensures better penetration. It can be used to drive the Stanley Sharpshooter TRA700 series or Arrow T-50 heavy-duty narrow-crown staples or 1/2 inch, 9/16 inch or 5/8 inch bars. Nailers and staplers are perfect for both professionals and DIYers alike.