SODIAL(TM) 50 Silvery White Brooch Backs Bar Pins Findings Safety Rolling Catch 25mm (1") -Pack of 50 Each Bar Pin is approx 25mm long (1") and has two holes. Use either thick superglue or epoxy resign to attach securely to your brooch. Material: metal. Length: 25mm (1") (Approx). Color: silvery white.