#31 series. Intermediate crown. Standard upholstery applications. This works especially good for these applications: upholstering, light wood assembly, silk-screen assembly, sign shops, display shops, shipping departments, toy or doll repair/manufacturing, and installing insulation, building papers, screen wire etc. This stapler can drive up to 250 staples per minute!!!
Here is the staples that you use this with: Duo-Fast Series 31