... Butterfly Wing Nut M6 Material: AISI304/AISI316 Technics: Precision Casting Surface: Polished Type: Standard Stainless Steel Precision Cast ng Butterfly Wing Nuts Material AISI304 ... of rigging hardware, wire rope clips, thimbles, eye bolts, eye nuts ,turnbuckles, D shackles, quick links, snap hooks, and so on ...