This Cape Cod Bracelet has a triple screwball to open the bracelet for putting on and off, the screw lock is on the bottom of this bracelet . The bracelet shank is Sterling Silver and the balls are available in three 14K smooth ball, please specify size when ordering. This comes in a box with a polishing cloth. Made in USA. Best way to tell what size bracelet you need is to measure around the wrist and add 1/2 inch to the measurement.