VEVOR Binding Machine, Comb Binding Machine 21-Holes Binding 450 Sheets, Book Binder Machine with 100 PCS 3/8'' Comb Binding Spines, for Letter Size, Diecast-Model-Cars Frame Material: Metal rube

Frame Material: Metal rube

This USB adapter works as an external video card

With an impressive battery life offering up to 300 days of standby on a single charge (requiring charging only about twice a year)

Do not use this product when wearing contact lenses

VEVOR Binding Machine, Comb Binding Machine 21-Holes Binding 450 Sheets, Book Binder Machine with 100 PCS 3/8'' Comb Binding Spines, for Letter Size, Diecast-Model-Cars Frame Material: Metal rubeProduct Features Binding Efficiency and Neatness Our binding machine handles bulk projects effortlessly, punching up to 21 holes, 12 sheets, and binding 450 sheets at once. Ideal for schools, offices, and businesses, it ensures professionally finished documents. Compatible with Various Sizes This comb binding machine is suitable for Letter size, A4 size, A5 size, and more, ensuring strong compatibility for various document bindings. Easy to Operate