uxcell 50 Sets Business Office Metal Paper File Document Binder Clip Clamp Fasteners Product Name : File Fastener;Material : Steel Dimension : 80mm x 51mm x 6mm(L*W*D) Economy fasteners are the smart choice for anyone on a budget. Strong metal construction with coined edges are smooth and safe for high performance. File fasteners 50 Paper Fastener securely in place and is easy to use.