Cleat 01
Cleat 01 : (1) (Fire Pr) A rectangular ladder cross piece placed on edge and used as a foot hold. Also called: Rung. (2) (Techn) A piece of material, such as wood or metal, attached to a structural body to secure and strengthen it or to furnish a grip. (3) (Transp) Wooden pieces nailed to a floor to reinforce blocking and to secure lading in position