Brass Bumble Bee Door Knocker - Pewter Finish Complete With Fixing Screws  . This beautiful, heavy door knocker is designed in the shape of a bumble bee. It’s pleasantly audible in a resounding yet homely way. Simple fixings make it easy to fit, creating the latest buzz on your front door.   . Approximate Dimensions brass bee: Width 'wing to wing' - 12.7cm  Height - 10.12cm  Depth - 3.8cm  Screw holes distance - 3cm . How to care for your bee door knocker  Your door knocker should just be washed with warm soapy water. Always avoid using abrasive materials which could scratch the surface