Amanaote White 2.4 mm Diameter Ball Chain 150 mm Length Metal Bead Chain for Pendant Pack of 30 Approximately 150 mm in Length 2.4mm Ball. 1 inch=25.4 mm These are perfect for making your own key chains Adjustable in length - simply cut between the balls with scissors to fit to your desired length Perfect for dog tags, bottle cap pendant necklaces, scrabble tile pendant necklaces, and many other use