Killing Cones (Poultry Processing Restraining Cones) are Stainless Steel and easy to clean, hang by nail, hook or screw to a rack, wall or tree. Birds will not back out of these cones. Sized for a 2 to 8 pound dress weight bird. The edges have been rolled for safety and added strength. There is no one size fit all cone. We recommend you may need several different size cones to accommodate the differing size of birds you have. This listing is for M2 size .. KC-SS-M2 (Made in USA) Edges been rolled for safety and added strength and all joints have been polished smooth. Hole for hanging use (nail/hook/screw). Materials: Stainless Steel 22 Gauge, Cone weight: 3 lbs, Ship weight: 4 lbs, Dimension: Top open 9" Botton open 3.50" Height 16"