Arrow Fastener 5700 PowerShot Heavy Duty Staple & Nail GunSqueezing trigger puts pressure on the front of the gun to ensure staples are driven flush to surface. Does not kick up like traditional staple guns. Requires less force to staple. Rubber soft grip handle cover for comfort. All metal housing. Staples remaining window. Quick load staple chamber slides away for easy loading and hassle free jam clearance. Flush design for use in corners and other tight spots. Uses 1 4" to 9 16" Powershot or Arrow T50