This stapler's spring-loaded, double-crank feature makes it a lighter, more compact tool. Use a wide array of staple sizes, including: 3/8-inch, 1/2-inch, 9/16-inch, 5/8-inch, 3/4-inch, 7/8-inch staples, and Arrow T50 staples. This Makita also features a handy adjusting knob for quickly setting the stapling depth. You'll know how many staples you have left before you climb on that roof, thanks to the handy staple window. And, with the built-in storage space for extra staples, you can stay up there all day. The battery delivers 750 staples up to 7/8-inch long on a single charge.