The #10 Nickel Plated Steel Bead Chain Loop has 6mm spacing measuring from the center of one bead to the next. The configuration is a seamless loop that does not require a connector. Moreover, the continuous #10 nickel plated steel bead chain is the most common beaded chain found on roller shades. Furthermore, there are approximately 5 beads per inch. In addition, to keep cords and chains out of reach of children use the Safetyhold3 approved safety device to secure loops. This chain is the highest quality available and it is is MADE IN THE USA.