Keep your documents together and neatly organized. Durable, corrosion-resistant steel remain effective and attractive. Flexible design allows for quick and easy fastening. Sold as a complete two-piece set, two-prong bases with compressors. 100% lead-free. Fastener Subtype: Two-Piece Two-Prong Set; Fastener Capacity: 2"; Center To Center: 2.75"; Material(s): Steel.