Rockin Beads&reg; 20 Nickle Plated Lobster Claw Swivel Clasps for Key Ring 1 3/8 X 1/2 Inch 20 Nickle Plated Lobster Claw Swivel Clasps for Key Ring (1-3/8"long") 1/2 inch wide Nickel Plated Rockin Beads (TM) Brand comes with Rockin Beads Size Gauge Card