Brand: Dollar Durable Good Quality Staple pin Stainless Steel 1000 Pins in 1 pack 20 Small Packs in 1 box Staple pins, also known as staples, are a type of fastener used to bind sheets of paper or other thin materials together. The 24/6 staple pin refers to a specific size of staple commonly used in offices and schools. The numbers in the staple pin size refer to the gauge of the wire and the length of the legs. In the case of 24/6 staple pins, the wire gauge is 24 and the legs are 6mm in length. This size is suitable for stapling up to 20 sheets of paper together.