Acco premium prong fasteners, 3-1/2″ sheet capacity, 2-3/4″ length base, silver, 50/box high-quality fasteners bind correspondence, orders and all other classes of papers. Complete fasteners with base and prongs fit in standard two-hole punching. Coining operation assures smooth, safe edges. larger quantity quotes available. Please call 1-888-978-7759. this product arrives to most customers in 2-3 business days.