Wrought steel 12" slide bolt shutter fastener. This bolt is very heavy measuring 1/4" thick. The total outer dimensions of backplate are 2" wide by 12" long and .09" thick. The bolt is 1" wide and slides 3 1/8" from the open position. This sturdy and durable shutter bolt is made in the USA of wrought steel which is galvanized and powder coated black to resist rust.