Blue Crab Door Knocker Solid Antiqued Brass Nautical Decor Maryland Blue Claw Crab door knocker has great detailing Door Knocker Measures 6 inches wide by 5 inches tall and is about 1 1/4 inch thick Heavy Brass Crab shell body of crab lifts up on hinge and clangs against the crab legs You'll hear your friends knocking as this Brass crab weights just under 2 lbs Door Knocker mounts easily with the two holes provided behing the body of the crab