Quality Steel Binding Screws. While they do not have the same finish as the traditional turned binding screws. these are an excellent product. Available in a range of sizes and finishes for larger quantities.
Presco Trade Binding Wires A4 34 Loop 3:1
Clear Binding Covers
Nickel Binding Screws
Renz Binding Wires A4 34 Loop 3:1
Spine Tape for Bookbinding 75mm - 50m Roll