Nylon Black Mono Sutures, USA, 3/0-FS1 Style, 18" Nylon Black Mono Sutures, USA, 4/0-FS2 Style, 18" Nylon Black Mono Sutures, USA, 5/0-FS3 Style, 18" Nylon Black Mono Sutures, USA, 6/0-FS3 Style, 18" 100% SATISFACTION GUARANTEED OR YOUR MONEY BACK. See "Policy" page for details on our guarantee and returns policy. Ordering security provided by Yahoo's SSL encryption technology, the #1 security system on the internet.