7.5 inch neck knife, 3.5 inch blade. O1 tool steel 1/8″ thick, antiqued. Supplied with kydex sheath. RIP102 Published July 10, 2013 at 900 × 675 in 7.5 inch neck knife, 3.5 inch blade. O1 tool steel 1/8″ thick, antiqued. Supplied with kydex sheath. RIP102 7.5 inch neck knife, 3.5 inch blade 7.5 inch neck knife, 3.5 inch blade. O1 tool steel 1/8″ thick, antiqued. Supplied with kydex sheath. RIP102