Wire Binding， 5/16" Diameter， 50 Sheets， Black， 25pcs

• Comb size: 5/16"(Dia)
• Sheet capacity: 50
• Color: Black
• Number of rings: 32
• Material: Wire
• Create a professional look for bound reports and presentations
• Durable， double-loop wire binding combs provide exceptional durability and long lasting good looks
• Secure closure permanently binds documents
• Includes 25 binding spines