AFW Sleeves are made of Copper or Brass and are available Nickel plated and Black oxidized. Double Barrel Sleeves are available in standard thick wall in bare Copper and Black finishes. Thin Wall Double Barrel Sleeves- available in Black finish- are excellent for use with big game mono leader material. Sleeves can be fitted to wire- monofilament- and other various lines. Burr-free nonabrasive finish combined with high strength and corrosion resistance makes AFWs sleeves the preferred choice of professional leader- lure- and tackle manufacturers. Packaged in Retail Packs- 100- and 1-000 piece packages.