Multiuse Round Clamp - The round clamp mouth can be used with a wooden board in many occasions. Strong Heavy-duty Metal Clips - Strong springs create solid holding power and high capacity. Durable Metal Clips - Superior quality chrome-finished stainless steel metal clips, dustproof and rustproof, never break and durable for use. Hanging Clips - The round binder clips incorporate a small hole in the handles which will be easy for you to hang the clip on walls, doors, bulletin boards and more. Practical Bull Clips - Best for organizing, managing or displaying your photos, maps, signs, paper, recipes at home, office or school.