Bind your work together with our wide assortment of office clips, pins, and rings.Assorted Size Metal Book Rings (10/Pack). These book rings feature bright nickel-plated finish. It is strong, durable and rust-proof. Standard sizes are precisely made to ensure simple opening and firm closure. Rings lock securely to prevent your keys, sheets, memos, and invoices from falling out. Precision snap lock closures. 10 metal book rings per pack. Try other great BAZIC Products. We offer a wide range of stationery products for all your school and office needs.