Locking Bar- must be manufacture according to the Techincal Drawing giving on the picture. Fabrication Notes: 1. Material 1018 bar stock. (CD) 2. Must be true and stright over full length. 3. All corners and edges to have 1/32" -1/16" radius. 4. finish to be electro-Zinc Plating Spec. Q Q-Z-325-B class 1, Type 1.  Quantity 1,000