Features: 3 way standy metal bottom with high quality plastic top. Quick loading mechanism. Built-in staple remover and reload indicator. Specifications: Staple Use : No.10 Loading Capacity : 100 Staples (No.10) Stapling Capacity : 20 Sheets of 75~80 gsm paper Throat Depth : 63mm Loading Type : Quick Stapling Type : Conventional Tacking : Yes