Kidde Steel Marine Fire Extinguisher BracketThe Kidde fire extinguisher bracket is made of steel with a black enamel finish for durability in marine environments. The stainless steel straps are corrosion resistant and are easy to use to secure your extinguisher in place. Mounting the bracket will require 4-1/4" screws, bolts, or rivetsInstructions: Twist the metals straps 90 so they are facing straight out either side; Fasten bracket to the wall; Place fire extinguisher into holder; Buckle the retainer straps to lock the extinguisher into place;