This Cape Cod Bracelet has four screwballs 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 Four 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. Sizes in Stock are 6 1/2 , 7 & 7 1/2 . Size 6 and 8 are available upon request and need to be made by the manufacturer so please allow 3 to 4 weeks for delivery.