Deli/EZWORK Swivel Arm Stapler, 25 Sheet Capacity, 360 Degree Rotation, Desk Stapler with 1000 Staples for Staple or Book Binding - Blue : Amazon.de: Stationery & Office Supplies
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How to bind a book with staples (saddle stitch binding) - YouTube
Metal Office Tools | Bookbinding Tools | Binding Stapler | Metal Stapler - Heavy Type Metal - Aliexpress